Lesson 1: Intro to AIA

Basic drumset app

Part 1    Part 2

Drumset with animation

Part 1    Part 2

Cowbell

Tutorial

Lesson 2: Create your own Pong

Basic Pong game

Part 1    Part 2    Part 3    Part 4    Part 5

Keeping score

Part 1    Part 2

Similar tutorial (vid+text) from GaTech

Link

Lesson 3: Procedures - Re-Using blocks

Baby Catch Game

Part 1    Part 2    Part 3    Part 4

Lesson 4: Xylophone

Basic Xylophone

Part 1    Part 2    Part 3    Part 4

Advanced Xylophone with playback

Part 1    Part 2     Part 3

Other resources

App Inventor Setup

David Wolber's YouTube Playlist
David Wolber's Course in a box
Pura Vida Apps
Royal Society of Edinburg
Wellesley College Mobile Apps Class
MIT tutorials (contains book chapters)