If you live outside of Korea and played PokoPoko with your Kakao account, you can continue playing with your Kakao account by connecting it with the game.

In order to do so, you must select Korean (한국어) in the language settings when you install the game.
If you select another language apart from Korean, you will have to play the game as a Guest or you can connect the game with your Facebook account.

How to connect the game with your Kakao account when you live outside of Korea.
1. Install/update game > Go to language settings in the right hand corner of the screen.
2. Select Korean (한국어)
3. Game Main Screen
4. Select 'I was a Kakao User" (카카오 유저였어요) under the 'START!' button.
5. Login with your Kakao account.