While you cannot emulate Minecraft iOS on a PC easily, you can emulate the PlayStation Vita or New Nintendo 3DS versions of Minecraft (Bedrock-adjacent) to get a similar low-resolution, vintage feel.
There is no such thing as "Minecraft Java Edition" for iOS. That is a common confusion. The IPA refers exclusively to Minecraft: Pocket Edition or the modern unified Minecraft (Bedrock Engine). minecraft ios 6 ipa
If you just want nostalgia for that era, an Android device from 2012 running Android 4.0 runs the equivalent Minecraft PE v0.8.1 APKs much more easily, as Android doesn't have Apple's signing headaches. While you cannot emulate Minecraft iOS on a