I just downloaded a book app as well as the game Asphalt4. Both show up on my touch screen, but when I touch the icon to start either app, on the book, it shows the title screen and then goes back to my home/menu screen. With Asphalt 4, the screen goes black for a few seconds and then also reverts back to my home/menu screen. Any ideas what I'm doing wrong? It's my first time loading apps. Thanks!