ASUS - ZenTalk

Edit: I read that the shutter activates the timer, and I tested it and it works. But it was not clear that it existed.With a Samsung S2x,  it's simple to wave my hand and that'll start the timer for the camera. Is there something similar for the Zenf...

 I want to be able to use the messages app without damages and without painful confusion but basic functionality is not there. For example, there is no simple way to go to the beginning, there is no simple way to export a chat and I can't even press ...