Let me show you my implementation of the classic game Connect 4:
This game is totally free and ad-free.
This version features:
-Possibility to play alone or with a friend
-3 levels of AI
-Very fast and clever AI
-Support for more than 30 languages
-No annoying popup to ask you to rate the game, etc.
-Designed to work on big and small screens
Feel free to send me your comments, suggestions and bug reports.
Thanks and enjoy!
Thanks to rate the application, this will help me a lot.