When mobile users have a poor experience using an app, the consequences can be devastating, and it takes a time to deliver a fix. I can help you out with this. Being an Android developer myself I know what to look for when testing an app.
Will provide you in the end with a well-formatted document which will contain the test results and conclusions.
Note:**This is not a 5$ Gig, Send me your requirements first, I will update you the cost and time required for testing and solving the bug.