Is there a good app for texting from a wifi only Galaxy Tab A? My senior mom has an old flip phone and no cell data service but likes to text and it is a royal PITA. She only texts from home so doesn't need a LTE connected smartphone. Is there a way to do this with the tablet? Can a text be made to appear to come from her existing phone number or would it require essentially signing up to a VoIP service with a new number?? I guess we could also get her a basic smartphone and just not get data service.