For Android phones -

1. Download the latest Kindle for Android by searching for "Kindle" in the Android Market on your phone. Or capture the QR Code with your phone's barcode scanner at http://www.amazon.com/gp/feature.html/ref=kcp_and_ln_ar?docId=165849822

2. After installation of Kindle for Android, download MG mobipocket version at http://mobipocket.mobilegabriel.com/

3. Copy or move file from download folder to kindle folder via built-in file manager of your phone. When you launch Kindle for Android application, MobileGabriel ebook should appear in your “Home” page.