Some of the apps are not available in market for various reasons (e.g., swype, brut google maps, etc). However, they are widely available on sharing sites (hotfile, rapidshare, etc).
The question: How can we ensure safety when installing apk from unofficial sources? What preliminary things can be done to ensure the app has not been tinkered?
The question: How can we ensure safety when installing apk from unofficial sources? What preliminary things can be done to ensure the app has not been tinkered?