Sorry I have a poor camera from my android tablet. but I would like to know how my picture looks?

I have an Genesis Prime Android tablet with a gelei boon and the camera I have is a face camera. I can't find any free app that can rotate the camera. if u have an android tablet like mine and if u know how to solve my problem please let me know. plus if there's no image shown when I post it,it's a thnx for my sucky tablet.