The Hundred Pushups Android App
As of April 1st, 2013 there are no Android apps officially sanctioned by the Hundred Pushups website.
Several Pushups apps are available at the Amazon Appstore for Android, but this web site is not responsible for their content, and cannot respond to any support questions.
If you're an experienced Android App Developer and interested in creating an all-new Hundred Pushups app, feel free to contact me for more details.