: Beating the game on Professional Mode unlocks Infinite Ammo for subsequent runs.

Depending on which game you are actually playing, here is a quick overview of how to survive:

Open the .apk with a zip explorer and extract libChowdren.so and libAmazonGamesJni.so from the lib/armeabi-v7a folder. :

Install on your Vita if you haven't already.

Install the (game launcher) through VitaDB or the GitHub release page . Game Guides