https://play.google.com/store/apps/details?id=com.castleheadstudios.castleheadarcade
anon dev. made this alone, it's my first release. 4 retro pixel-art puzzle/arcade games in one app: free, no ads, no IAP, plays fully offline. no gacha, no login. controls are touch + on-screen d-pad. honest feedback welcome, especially on controls and difficulty.