Develop Android Java Piano Game Using Android Studio

I need someone who can develop android java piano game using android studio. I need a professional developer that have experience in designing games. When you finish the project i want both Code Source and APK, also i need assistance if there any change or modification in the game. This is some game functionality: -Android studio java piano game. -Admob integreted (banner & interstitial), should not be violated the laws of admob policy, the add need to be placed correctly and interstitial should be shown with a button click. -Splash Screen. -Record button. -Save music button. -Share and More Apps buttons. -Different pages. -Different music instrument on the app. -2 Keyboards. -Notes needed to be correct. -Privacy Policy Page.