Bug?

So I love app but the thing is, every time I go to text Ill type 1 word and hit the space bar and it goes to my home screen. If you could fix this and update it to the newest IOS and, if you could go back and she other messages it would be more realistic.

BMWIlm about Fake-A-Text FREE [Fake Text Free & Fake A Call—Call It A Prank Conversation], v4.2.0