theSLAYER

Between the period of May 13 to June 23, 2017, Pokemon Centers across Japan distributed one of the (then) 8 Eeveelutions to players via Local Wireless (region free).
Players could only obtain one Eeveelution per day, per save.

The distribution was to promote the various Eevee and Colorful Friends merchandise that was being sold.

While the promotion is named Eevee and Colorful Friends, Eevee itself wasn't distributed; only Eeveelutions were distributed.
 
 Species   Glaceon   Nickname   (default, save lang)   OT   ポケセン   TID   170513   Distribution   Local Wireless   Location   a Pokémon Center   Dates   May 13 to Jun 23, 2017   PID   Cannot Be Shiny   Games   All Regions 3DS: SM    Lv. 50                                                                  Nature   Random   Ability   Snow Cloak (1)   Item   None   Bundled Item   None   Card Per Save   Multiples Allowed 

Classic   Moves   (ITALIC means Relearnable)   Blizzard   Shadow Ball   Hail   Aurora Veil   WC ID 230: 「イーブイとカラフルフレンズ」's receiving text 0x08 Thank you for coming to the Pokémon Center! Please pick up your gift from the deliveryman in the game. イーブイとカラフルフレンズ 「イーブイとカラフルフレンズ」に
あそびに　きてくれて　ありがとう！
こせい　ゆたかな　みりょくを　もつ
イーブイの　しんかけいの　ポケモンを
プレゼントするよ！
バトルで　あいぼうにしてね♪ Format Ver.1.0.5-4, Post Updated Date:20171105_1602

Distributions of the same event:
               

Between the period of May 13 to June 23, 2017, Pokemon Centers across Japan distributed one of the (then) 8 Eeveelutions to players via Local Wireless (region free).
Players could only obtain one Eeveelution per day, per save.

The distribution was to promote the various Eevee and Colorful Friends merchandise that was being sold.

While the promotion is named Eevee and Colorful Friends, Eevee itself wasn't distributed; only Eeveelutions were distributed.
 
 Species   Jolteon   Nickname   (default, save lang)   OT   ポケセン   TID   170513   Distribution   Local Wireless   Location   a Pokémon Center   Dates   May 13 to Jun 23, 2017   PID   Cannot Be Shiny   Games   JP 3DS: SM    Lv. 50                                                                  Nature   Random   Ability   Volt Absorb (1)   Item   None   Bundled Item   None   Card Per Save   Multiples Allowed 

Classic   Moves   (ITALIC means Relearnable)   Thunderbolt   Shadow Ball   Light Screen   Volt Switch   WC ID 230: 「イーブイとカラフルフレンズ」's receiving text 0x08 Thank you for coming to the Pokémon Center! Please pick up your gift from the deliveryman in the game. イーブイとカラフルフレンズ 「イーブイとカラフルフレンズ」に
あそびに　きてくれて　ありがとう！
こせい　ゆたかな　みりょくを　もつ
イーブイの　しんかけいの　ポケモンを
プレゼントするよ！
バトルで　あいぼうにしてね♪ Format Ver.1.0.5-4, Post Updated Date:20171105_1547

Distributions of the same event:
               

Between the period of May 13 to June 23, 2017, Pokemon Centers across Japan distributed one of the (then) 8 Eeveelutions to players via Local Wireless (region free).
Players could only obtain one Eeveelution per day, per save.

The distribution was to promote the various Eevee and Colorful Friends merchandise that was being sold.

While the promotion is named Eevee and Colorful Friends, Eevee itself wasn't distributed; only Eeveelutions were distributed.
 
 Species   Leafeon   Nickname   (default, save lang)   OT   ポケセン   TID   170513   Distribution   Local Wireless   Location   a Pokémon Center   Dates   May 13 to Jun 23, 2017   PID   Cannot Be Shiny   Games   All Regions 3DS: SM    Lv. 50                                                                  Nature   Random   Ability   Chlorophyll (HA)   Item   None   Bundled Item   None   Card Per Save   Multiples Allowed 

Classic   Moves   (ITALIC means Relearnable)   Leaf Blade   Swords Dance   Sunny Day   Synthesis   WC ID 230: 「イーブイとカラフルフレンズ」's receiving text 0x08 Thank you for coming to the Pokémon Center! Please pick up your gift from the deliveryman in the game. イーブイとカラフルフレンズ 「イーブイとカラフルフレンズ」に
あそびに　きてくれて　ありがとう！
こせい　ゆたかな　みりょくを　もつ
イーブイの　しんかけいの　ポケモンを
プレゼントするよ！
バトルで　あいぼうにしてね♪ Format Ver.1.0.5-4, Post Updated Date:20171105_1602

Distributions of the same event:
               

Between the period of May 13 to June 23, 2017, Pokemon Centers across Japan distributed one of the (then) 8 Eeveelutions to players via Local Wireless (region free).
Players could only obtain one Eeveelution per day, per save.

The distribution was to promote the various Eevee and Colorful Friends merchandise that was being sold.

While the promotion is named Eevee and Colorful Friends, Eevee itself wasn't distributed; only Eeveelutions were distributed.
 
 Species   Sylveon   Nickname   (default, save lang)   OT   ポケセン   TID   170513   Distribution   Local Wireless   Location   a Pokémon Center   Dates   May 13 to Jun 23, 2017   PID   Cannot Be Shiny   Games   All Regions 3DS: SM    Lv. 50                                                                  Nature   Random   Ability   Pixilate (HA)   Item   None   Bundled Item   None   Card Per Save   Multiples Allowed 

Classic   Moves   (ITALIC means Relearnable)   Hyper Beam   Draining Kiss   Psyshock   Calm Mind   WC ID 230: 「イーブイとカラフルフレンズ」's receiving text 0x08 Thank you for coming to the Pokémon Center! Please pick up your gift from the deliveryman in the game. イーブイとカラフルフレンズ 「イーブイとカラフルフレンズ」に
あそびに　きてくれて　ありがとう！
こせい　ゆたかな　みりょくを　もつ
イーブイの　しんかけいの　ポケモンを
プレゼントするよ！
バトルで　あいぼうにしてね♪ Format Ver.1.0.5-4, Post Updated Date:20171105_1601

Distributions of the same event:
               

Between the period of May 13 to June 23, 2017, Pokemon Centers across Japan distributed one of the (then) 8 Eeveelutions to players via Local Wireless (region free).
Players could only obtain one Eeveelution per day, per save.

The distribution was to promote the various Eevee and Colorful Friends merchandise that was being sold.

While the promotion is named Eevee and Colorful Friends, Eevee itself wasn't distributed; only Eeveelutions were distributed.
 
 Species   Umbreon   Nickname   (default, save lang)   OT   ポケセン   TID   170513   Distribution   Local Wireless   Location   a Pokémon Center   Dates   May 13 to Jun 23, 2017   PID   Cannot Be Shiny   Games   All Regions 3DS: SM    Lv. 50                                                                  Nature   Random   Ability   Synchronize (1)   Item   None   Bundled Item   None   Card Per Save   Multiples Allowed 

Classic   Moves   (ITALIC means Relearnable)   Snarl   Toxic   Protect   Moonlight   WC ID 230: 「イーブイとカラフルフレンズ」's receiving text 0x08 Thank you for coming to the Pokémon Center! Please pick up your gift from the deliveryman in the game. イーブイとカラフルフレンズ 「イーブイとカラフルフレンズ」に
あそびに　きてくれて　ありがとう！
こせい　ゆたかな　みりょくを　もつ
イーブイの　しんかけいの　ポケモンを
プレゼントするよ！
バトルで　あいぼうにしてね♪ Format Ver.1.0.5-4, Post Updated Date:20171105_1558

Distributions of the same event:
               

Between the period of May 13 to June 23, 2017, Pokemon Centers across Japan distributed one of the (then) 8 Eeveelutions to players via Local Wireless (region free).
Players could only obtain one Eeveelution per day, per save.

The distribution was to promote the various Eevee and Colorful Friends merchandise that was being sold.

While the promotion is named Eevee and Colorful Friends, Eevee itself wasn't distributed; only Eeveelutions were distributed.
 
 Species   Vaporeon   Nickname   (default, save lang)   OT   ポケセン   TID   170513   Distribution   Local Wireless   Location   a Pokémon Center   Dates   May 13 to Jun 23, 2017   PID   Cannot Be Shiny   Games   All Regions 3DS: SM    Lv. 50                                                                  Nature   Random   Ability   Hydration (HA)   Item   None   Bundled Item   None   Card Per Save   Multiples Allowed 

Classic   Moves   (ITALIC means Relearnable)   Scald   Ice Beam   Rain Dance   Rest   WC ID 230: 「イーブイとカラフルフレンズ」's receiving text 0x08 Thank you for coming to the Pokémon Center! Please pick up your gift from the deliveryman in the game. イーブイとカラフルフレンズ 「イーブイとカラフルフレンズ」に
あそびに　きてくれて　ありがとう！
こせい　ゆたかな　みりょくを　もつ
イーブイの　しんかけいの　ポケモンを
プレゼントするよ！
バトルで　あいぼうにしてね♪ Format Ver.1.0.5-4, Post Updated Date:20171105_1543

Distributions of the same event:
               

In these games, Ninetales has a 1% appearance rate on Routes 7 & 8.
In these, Ninetales is the version exclusive, paired against Arcanine.

In these games, Pinsir has a 1% appearance rate on Routes 14 and 15.

In these games, Victreebel has a 1% appearance rate on Route 21.
In these, Victreebel is the version exclusive, paired against Vileplume.

In these, Bellsprout is the version exclusive, paired against Oddish.

In these, Ekans is the version exclusive, paired against Mankey.

When players talk to this NPC in Vermilion City, they were asked if they prefer Growlithe or Meowth.
They were then told to catch 5 Meowth (exclusive to Let's Go Eevee).
After that, players are given an Arcanine, regardless of the choice they chose.

In these, Koffing is the version exclusive, paired against Grimer.

In these, Meowth is the version exclusive, technically paired against Sandshrew,
despite it cannot be encountered on the same routes.

Players can receive an Alolan Meowth, when they trade a Kantonian Meowth to the NPC inside of Cinnabar Island's Pokémon Center.

This trade is infinitely repeatable. This is one of the rare instances that a received Pokémon from a NPC trade may be shiny.
This trade is exclusive to Let's Go Eevee.

Players can receive an Alolan Vulpix, when they trade a Kantonian Vulpix to the NPC inside of Celadon City's Pokémon Center.

This trade is infinitely repeatable. This is one of the rare instances that a received Pokémon from a NPC trade may be shiny.
This trade is exclusive to Let's Go Eevee.

In these, Vulpix is the version exclusive, paired against Growlithe.

In these, Bellsprout is the version exclusive, paired against Gloom.

In these, Weezing is the version exclusive, paired against Muk.

From 15th July (Sat) to 23rd July (Sun), Eevee Friends was distributed via Infrared,
to players that visited the Pokemon Pop-up Store at Hyundai Department Store Shinchon Station Underground 2F Connection Passage Graduation Tempyo.
This is a once per day event, meaning it'll take 8 different days to collect all the Eeveelutions.

This page has the WC7 and also photographs of the physical location, courtesy of @BLACKBIRD & @katsuya!
 
Distributions of the same event:
               

From 15th July (Sat) to 23rd July (Sun), Eevee Friends was distributed via Infrared,
to players that visited the Pokemon Pop-up Store at Hyundai Department Store Shinchon Station Underground 2F Connection Passage Graduation Tempyo.
This is a once per day event, meaning it'll take 8 different days to collect all the Eeveelutions.
 
 Species   Espeon   Nickname   (default, save lang)   OT   포켓몬스토어   TID   170715   Distribution   Infrared   Location   a lovely place   Dates   Jul 15 - Jul 23, 2017   PID   Cannot Be Shiny   Games   All Regions: SM    Lv. 50      Nature   Random   Ability   Magic Bounce (HA)   Item   None   Bundled Item   None 
Classic   Moves   (ITALIC means Relearnable)   Psychic   Dazzling Gleam   Shadow Ball   Reflect   WC ID 1114: 「이브이 프렌즈 선물 이벤트」's receiving text  0x2B Thank you for coming to the Pokémon event! Please pick up your gift from the deliveryman in any Pokémon Center. 이브이 프렌즈 선물 이벤트 포켓몬 팝업 스토어에 와 주셔서
감사합니다!
개성 넘치는 매력을 지닌
이브이의 진화형 포켓몬을 선물합니다!
Distributions of the same event:
               

From 15th July (Sat) to 23rd July (Sun), Eevee Friends was distributed via Infrared,
to players that visited the Pokemon Pop-up Store at Hyundai Department Store Shinchon Station Underground 2F Connection Passage Graduation Tempyo.
This is a once per day event, meaning it'll take 8 different days to collect all the Eeveelutions.
 
 Species   Flareon   Nickname   (default, save lang)   OT   포켓몬스토어   TID   170715   Distribution   Infrared   Location   a lovely place   Dates   Jul 15 - Jul 23, 2017   PID   Cannot Be Shiny   Games   All Regions: SM    Lv. 50      Nature   Random   Ability   Guts (HA)   Item   None   Bundled Item   None 
Classic   Moves   (ITALIC means Relearnable)   Flare Blitz   Facade   Will-O-Wisp   Quick Attack   WC ID 1114: 「이브이 프렌즈 선물 이벤트」's receiving text  0x2B Thank you for coming to the Pokémon event! Please pick up your gift from the deliveryman in any Pokémon Center. 이브이 프렌즈 선물 이벤트 포켓몬 팝업 스토어에 와 주셔서
감사합니다!
개성 넘치는 매력을 지닌
이브이의 진화형 포켓몬을 선물합니다!
Distributions of the same event:
               

From 15th July (Sat) to 23rd July (Sun), Eevee Friends was distributed via Infrared,
to players that visited the Pokemon Pop-up Store at Hyundai Department Store Shinchon Station Underground 2F Connection Passage Graduation Tempyo.
This is a once per day event, meaning it'll take 8 different days to collect all the Eeveelutions.
 
 Species   Glaceon   Nickname   (default, save lang)   OT   포켓몬스토어   TID   170715   Distribution   Infrared   Location   a lovely place   Dates   Jul 15 - Jul 23, 2017   PID   Cannot Be Shiny   Games   All Regions: SM    Lv. 50      Nature   Random   Ability   Snow Cloak (1)   Item   None   Bundled Item   None 
Classic   Moves   (ITALIC means Relearnable)   Blizzard   Shadow Ball   Hail   Aurora Veil   WC ID 1114: 「이브이 프렌즈 선물 이벤트」's receiving text  0x2B Thank you for coming to the Pokémon event! Please pick up your gift from the deliveryman in any Pokémon Center. 이브이 프렌즈 선물 이벤트 포켓몬 팝업 스토어에 와 주셔서
감사합니다!
개성 넘치는 매력을 지닌
이브이의 진화형 포켓몬을 선물합니다!
Distributions of the same event:
               

From 15th July (Sat) to 23rd July (Sun), Eevee Friends was distributed via Infrared,
to players that visited the Pokemon Pop-up Store at Hyundai Department Store Shinchon Station Underground 2F Connection Passage Graduation Tempyo.
This is a once per day event, meaning it'll take 8 different days to collect all the Eeveelutions.
 
 Species   Jolteon   Nickname   (default, save lang)   OT   포켓몬스토어   TID   170715   Distribution   Infrared   Location   a lovely place   Dates   Jul 15 - Jul 23, 2017   PID   Cannot Be Shiny   Games   All Regions: SM    Lv. 50      Nature   Random   Ability   Volt Absorb (1)   Item   None   Bundled Item   None 
Classic   Moves   (ITALIC means Relearnable)   Thunderbolt   Shadow Ball   Light Screen   Volt Switch   WC ID 1114: 「이브이 프렌즈 선물 이벤트」's receiving text  0x2B Thank you for coming to the Pokémon event! Please pick up your gift from the deliveryman in any Pokémon Center. 이브이 프렌즈 선물 이벤트 포켓몬 팝업 스토어에 와 주셔서
감사합니다!
개성 넘치는 매력을 지닌
이브이의 진화형 포켓몬을 선물합니다!
Distributions of the same event:
               

From 15th July (Sat) to 23rd July (Sun), Eevee Friends was distributed via Infrared,
to players that visited the Pokemon Pop-up Store at Hyundai Department Store Shinchon Station Underground 2F Connection Passage Graduation Tempyo.
This is a once per day event, meaning it'll take 8 different days to collect all the Eeveelutions.
 
 Species   Leafeon   Nickname   (default, save lang)   OT   포켓몬스토어   TID   170715   Distribution   Infrared   Location   a lovely place   Dates   Jul 15 - Jul 23, 2017   PID   Cannot Be Shiny   Games   All Regions: SM    Lv. 50      Nature   Random   Ability   Chlorophyll (HA)   Item   None   Bundled Item   None 
Classic   Moves   (ITALIC means Relearnable)   Leaf Blade   Swords Dance   Sunny Day   Synthesis   WC ID 1114: 「이브이 프렌즈 선물 이벤트」's receiving text  0x2B Thank you for coming to the Pokémon event! Please pick up your gift from the deliveryman in any Pokémon Center. 이브이 프렌즈 선물 이벤트 포켓몬 팝업 스토어에 와 주셔서
감사합니다!
개성 넘치는 매력을 지닌
이브이의 진화형 포켓몬을 선물합니다!
Distributions of the same event: