Help to make my Android App looks better

I built an android app and i'm in need for a talented Android UI designer to make this application look better, design is not every thing needed for this application i also need to improve the UX for my application. this application is very small, 3 Activities and 5 Fragments you should have previous experience with github I need to see samples of your work either on the google play store or github Experience with Android Development is required Some screenshots of this project can be found in the attached document This is a summary of what i need: 1. change the existing color theme of the application 2. need to make the log in activity much better 3. in the Registration activity need to change the user image to be circular with a colored background. 4. reduce the size of the image taken by the camera 5. in the submit tab need a better way to display the warning messages 6. aligning all the buttons 7. test on phone and 7 inch tables both vertical and horizontal orientation This is just the initial requirements please contact me with any question