Maybe installing it from the app store you bought it from is an option? You can install the Amazon app store (if it's not preloaded already) or even the Google Play Store on the Passport.
Check out these threads for the Google Play Store:
http://forums.crackberry.com/android...-2-1-a-874153/ http://forums.crackberry.com/android...oading-985344/
The Amazon app store should be a straight and easy apk install from amazon.com/mobileapps.