Need an android app

Description

Need an android app in dentistry niche.
Its a teeth shade selection app. The app selects the shade of the teeth using vita classic shade guide. You can Google the shade guide image.
So dentists signups for an account. After signing up, he gets a free trial for a few days.
So he clicks on select shade. Then he enters patient details in the app. And selects which tooth it is.
The camera opens up and dentists clicks photograph of one tooth in front, one tooth behind and the main. tooth on which crown has to be given.
After this app analyzes the shade using vita classic shade guide.
The tooth is divided into 9 quadrants and at each quadrant the shade of the adjacent tooth is determined by the app using vita classic shade guide.
The shade is then exported via jpg file and can be shared via email/Bluetooth/WhatsApp and other means.
The dentist can even preview the applied shade on the tooth to be replaced with dental crowns.
This will be a subscription based app. Dentist will pay a nominal monthly fee using credit card/debit card or UPI (Indian Payment Gateways)