App Inventor — a Google cast-out that is now maintained by MIT — is a graphical tool that unlocks the power of an Android handset to those with the most basic of programming understanding.

Taiwan Maker Education ISV- CAVEDU Education, have a workshop in Maker Faire Singapore !this workshop talk about Using App Inventor to control Arduino 101 Control Ardunio 101's LED blinkingUsing ...

Arduino Bluetooth Control by Broxcode: This app offers some interesting functionality, but the full-screen ads make it extremely difficult to use. Arduino Bluetooth RC Car by Andi.Co: Specifically ...

However, as the video above shows, you can also create your own simple apps for your Arduino project using MIT App Inventor.