This is a fully working app for a fictionary 'restaurant' business. Start the sample app from here

https://www.telerik.com/campaigns/platform/run-hybrid-app 

Tutorial 1 - Make it your Own: Reskin the Dineissimo App

Tutorial 2 - Getting Friendly: Adding the Social Plugin to the Dineissimo app

Tutorial 3 - Create a Great Checkout Experience for the Dineissimo App using the Stripe Plugin
Tutorial 4 - Add Backend Cloud Services and e-mail notifications to the Dineissimo app