I individually made a restaurant reservation app called
Google Play Store Link : https://play.google.com/store/apps/details?id=in.tanmayk15.restaurantgo
Reserve Restaurants sitting at home!
Restaurant Go is a free app in which you can reserve seats of your favourite Restaurant just sitting at your home. For this, you just need an Restaurant Go Account and an internet. The restaurant selected will be booked (If not full) at your fixed time and you will be able to just go directly into it and have your food! Enjoy Restaurant Go. Developed by Tanmay Kulkarni 15.
Currently it is Available only in India