For Android see here:
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https://play.google.com/store/apps/details?id=com.ghstudios.android.mhgendatabase&hl=en_US
MhGU is a fickle creature.
(I've been waiting for sales on other games, Non-switch too. I feel your struggle. Just keep at it and you will soon be rewarded. Trust me, "the patient dog gets the fattest bone".)
If it helps the US amazon store has MHGU for 27 dollars indefinitely