here is how to download
in phone : click download button and click "no thanks just let me to download" or something like that the there will be two dwonload methods for computer and for android pohones you click where says "apk" to download when it finish go to "files" IN YOUR PHONE and then click apk there will appear "gacha club edition "
you click it and click on download (not from itch.io it appears when you click gacha club edition in your phone files in apk) when it finish downlad then go to your home screen and enojy!