Mobile app crashes any time i click a button (shop, collection, play, solo, arena, tavern, any button)

My mobile app no longer works. I play on iPad at home and my android when Im traveling. My iPad works just fine but recently the phone has stopped working (all other apps on phone perform just fine) Any time I open the hearthstone app it loads just fine, opens up quests log, i move on to the home screen where i can choose play, solo, arena, tavern etc etc. Any time I click ANY option, shop, play options, collection ANY button. the whole screen goes blank for half a second then suddenly i find myself staring at my phones home screen, hearthstone fully closed down. I have uninstalled and reinstalled it three times now and it continues to be bugged. Im going on vacation next week and would really like to be able to play on my phone in the evenings. Any suggestions?

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