There are 13 MakeThis guides. They have steps to build an app and extensions at the end. These increase in difficulty from 1 to 13. 1 - Make A Virtual Assistant 2 - A Mobile App 3 - Building Your First App: Your Happy Place 4 - Using Activity Starter to Start an App 5 - Using Notifier 6 - Using the Location Sensor 7 – Networking Behind the Scenes 8 – Exploring the VideoPlayer Component 9 – Password Authentication Using TinyDB Component 10 – Making a Notepad 11 – Using TinyWebDB 12 – Using the Sharing Component 13 – Using Web Services