These are competitions to induce development of Android applications in general, or in broad categories (e.g., widgets).
- Droid Dev Challenge I: Contest for development of widgets for Android 1.5 (ends 31 May 2009)
- Android Developer Challenge 2: Contest for development of new applications for Android (contest period sometime in August)
These are competitions to induce development of a specific application.
- Mobile Quake: "Yes, we are going to bring Quake to the Android mobile platform."