Hi Alex,
I installed OppiaMobile on a Samsung Galaxy Tab 3, SM-T211, Android 4.4.2 when I open OppiaMobile I get Unfortunately, OppiaMobile has stopped error.
I cleared cache and still get the same error.
I have sent two crash reports not sure if you got them.
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Best and Regards
Ronald Munjoma
+263 775 625 283, +263 776 444 309