I made small booking android application so any one can book your service by email and you will receive the customer booking with his details to your email so you can contact him to confirm it , the app is small but contain calendar so customer can choose date he want to book on it and customer can choose the service he want to book and fill his details then click book to send you email with his details , the app is simple but effective and with good quality , i will change the app name and logo , images , service names and descriptions to yours so please send me file contain this required details and gmail account so i can access to take gmail API key from it , i will finish the app for 100$ and will be ready in 5 days ,i will deliver you APK of the app so you can use and upload direct to play store as you like .