Insta Network an application that allow to have a real-time chat with friends (Like Instagram). You can share images , videos , status…etc with your followers . there is a database local to save your messages and other things, so when user lost the internet connection he can write a message or share a post ,so it will be saved on database local and once the other user come online the app will send your message or share your post directly .For the Backend side you can control your app as you want even you can control and settings up the Admob from the dashboard .I build the backend using PHP & MYSQL .