Sir, we are having an experience team of android app development, that will satisfy all your requirements on time..
Your requirements can be satisfied by web service in PHP.
we will also provide you control panel from which you can handle a tests.
Sir, we made many android apps & also uploaded it to the play store.
Sir, here i can't bid less than this if you want to do this project in less money than please contact me i will give you my email address.
sir, please give us a one chance to prove our skills.
Thank You.