Not that I'm aware of, but there are some great projects on the XDA Forums and GitHub I was able to reference in order to make basic apps for Android 2.1. e.g:

Not that I'm aware of, but there are some great projects on the XDA Forums and GitHub I was able to reference in order to make basic apps for Android 2.1. e.g: https://github.com/usetrmnl/trmnl-nook-simple-touch https://github.com/usetrmnl/trmnl-nook-simple-touch