I misread your question and thought you were asking why they are different, but anyways haha We dont really know for certain, but its probably because whatever processes, texture files, and or tech Japan/TPC uses for texturing are different than the ones TPCI uses
If you control an "Ice Barrier" monster: You can banish this card from your GY, then target 1 Attack Position monster on the field
Not so, but youll need to tap on the pack (because god forbid this app put options to do things that are nothing to do with opening a pack anywhere other than on the screen for opening a pack), and then the faint button bottom-right that says Select other booster packs. Do this, pick a GA pack, and when you return to the Home screen youll now have the option to pick from either
The rest is all value and utility which is nice but not what you need
It can turn a modest token collection into a serious threat in only a single turn