APK deployed on device crashes with black screen

Easy peasy lemon squeasy!

Your issue is here:
Line 7333 of your log:
F/libc ( 3784): Fatal signal 11 (SIGSEGV) at 0x00000005 (code=1), thread 3899 (main)

I/DEBUG ( 1518): pid: 3784, tid: 3899, pkg name: com.derpstudios.HollyblueHolistics

Reason:
/data/app-lib/com.derpstudios.HollyblueHolistics-1/libUE4.so (UEnumProperty::SerializeItem(FArchive&, void*, void const*) const+215)

/data/app-lib/com.derpstudios.HollyblueHolistics-1/libUE4.so (UEnumProperty::SerializeItem(FArchive&, void*, void const*) const+215)

/data/app-lib/com.derpstudios.HollyblueHolistics-1/libUE4.so (UEnumProperty::ConvertFromType(FPropertyTag const&, FArchive&, unsigned char*, UStruct*, bool&)+44)

/data/app-lib/com.derpstudios.HollyblueHolistics-1/libUE4.so (FTextHistory::IsOutOfDate() const)

You have some Serialization/deserialization issues with one of your UEnums as far as i can see.

Just read carefully from 7333 to 7435