1. The minimum age for women subscribers should be made as young as 9 years old.
2. There is already an app that offers muslim polygamy service (http://www.secondwife.com) which is also pretty cool. But unfortunately it's very difficult to find a service that offers sex slaves, this will be solid addition to your app.
3. A seamless "crowd stoning" service, where the stoning procedures can be shared over the social media.
4. Hassle free assassins hiring for honor killing.
5. Post marriage wife beating consultancy service.
6. Your app can also be used for the muslim LGBT community, you can lure them using your app to fling them off the roof.