Just updating. That guest account workaround with no connecting with Facebook seems to be doing okay. I'm periodically opening and closing the app via multitask and I'm still able to login and play. Maybe this is the hope we're looking for lol. Definitely need more days to test this method out.
I'll also add, I've injected items and units only. Got rid of raid items (also all mats), FH rewards, and trial/unreleased units (kept Xentar sphere) . No gems injected, havent done arena (not sure if I should take the plunge and try it out lol). I do question though, how this would affect future events like raids, vortex arena and arena too. If we can't do those, then this mod basically just allows you to do quests and vortexes all day lol. I have enabled karma mod, auto-win mod, and unlock all quest through Javi's mod. So we'll see how this turns out. Keep ya'll posted.