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Good question, what app on your old phone is getting the messages?The messages are SMS, and not some other protocol (WhatsApp/Signal/whatever other app)?
yes click fraud among other controversies. they were removed from the play store for a reason. most people here would advise you to move to a different app.....so use at your own risk.ES File Explorer, wasn't that app removed due to click fraud? That they cash in on clicking some Google Ads. I think the explorer is marvelous, and it's hard to find a good replacement, as they're integrated with my cloud storage. If it indeed is more troublesome stuff than click fraud, I guess I should part with it. I will check out Root Explorer though, thanks for the tip!
Wear and tear, yes. Maybe nandroid backup or titanium backup or something would make it easier to restore in case of crash. Thanks for the heads up!
Or Op might search for a keyboard with a layout / features that is similar or more to his / her liking.