How to install incest patch on apk?
It can be done relatively easily on Android, actually. Download the patch .rpy file.
Make sure you have opened the game app after installing so it creates the folders for save files, etc.
Navigate into the game folder (it can be located under /Android/data/
For this game the name of the folder should be "com.perverteer.tftuv".
Make a folder in there called "game", and copy or move the .rpy file in there.
Done. Enjoy your game with a patch
This works for most patches for most games. Sometimes the patches won't work, and sometimes the games will crash. If it crashes, just remove the patch files again and it should work fine.