I've wanted to create an ap for a long time, which is entertainment.
A good starting point is the Getting Started in the documentation. If you need more specific help with building your application, please post more specific details so that we can assist you.
Read useful guide about essential facts about creating augmented reality apps.
You should contact any mobile app development company if you don't know how to develop an app.
Here is the link of the mobile app development company. www.almuheettech.com/mobile-app-development-dubai
If you really want to create an application which is related to entertainment. There are a lot of mobile app development companies are available. You can consult them and they will develop a robust entertainment app according to your needs