I have an Amazon fire tablet, and it didn't come with the regular SMS messages app, so I tried textme. textme didn't seem to load at all, but when it finally did, I couldn't video call any of my friends but I could call them and text them. I texted my best friend that we should get a better chat app. So I searched the app store and found Justalk with almost a 5 star rating. We both then downloaded it and it has very good quality. it almost loads IMMEDIATELY. And I'm really glad that I finally have a good messaging app.