You must purchase Volleyball Ace for Android devices directly from Google Play or Amazon Appstore (click here), and not from Dimensional Software. (Click on either the Google Play or the Amazon link to access them). Using the Volleyball Ace Android app you can record and report volleyball statistics in real time on your Kindle Fire, Google Nexus, Samsung Galaxy or other Android tablet or mobile device. The Volleyball Ace Strategic Analyzer, which is a Windows and Macintosh desktop tool, can be used for additional stat analyses. The Volleyball Ace Strategic Analyzer is purchased directly from Dimensional Software, and works on game stat files transferred from the mobile device to the desktop.