I want a different SMS app different than TW or Hangouts (which happen to be the only two SMS apps that work on my device). I can read all my texts right away when I open the new 3rd party app, then when I click on anything and go back to the inbox all the texts disappear. Ive never sent a text sucessfully in any third party app, my contacts never show up either. Im rooted and I deleted the stock TW app and was very happy with Hangouts for awhile, but then I ran into some bootloop trouble and had to reset my phone via safestrap. Then the stock app magically reappeared and from then on no 3rd party SMS client will work.