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This video will show you to how to install ,ipa files on your iPod, iPhone, and iPad which are app files.
In this video I will install Minecraft Pocket Edition 0.15.9 due to 0.16.0 crashing
I will also install a GBA4ios.ipa to play emulator.
.ipa used on this video:
cydia impactor: http://www.cydiaimpactor.com/
Video “How to Downgrade MCPE/Install GBA4iOS on iOS/Install .ipa files to iOS(NO JAILBREAK)” Author: CoasterCraft Productions