An installer is a tool (usually an APK app itself) that claims to take an IPA file and install it onto an Android phone or tablet. In theory, it sounds like an emulator or a compatibility layer—akin to Wine for Windows apps on Linux.
An iOS app expects UIKit, Core Foundation, Metal, etc. Android has no native equivalents. The effort to reimplement these would be monumental (similar to the ReactOS project). ipa file installer for android patched