The problem is not Itch io, but Android, Apk over 2GB do not install on devices, it is a limitation of the Android system.
Mr.Dev joiplay Is useful for playing the pc version on android. Let me tell you the process. First A person needs to have an application which lets the unzip a File, in this case the game file of the pc version. To play a person needs to download joiplay APK and Renpy plugin apk from the official joiplay website. I always follow this Method since I'm an Android user.