Adobe Labs have opened a website that enables you to sign up for a notification for when the Beta version will be available for testing. Read on for more information on how to sign up!
On sign up, it presents you with some interesting info:
Thank you for your interest in the Adobe® Flash® Player 10.1 beta for the Android operating system. The beta release will be available later this year. If you would like to be notified when the beta is available, click the “Sign Up” button below.
So go on, sign up![Via: Adobe Labs]