IndyCall is a great app that allows you to make long distance phone calls for free on Android. It’s very easy to use and can save you hundreds of dollars each year on international calling rates. All you need is an Android smartphone, Google Voice account, and internet connection to use IndyCall, so it’s very accessible even if you don’t have an unlimited data plan or other crazy features. This video shows how IndyCall works with Google Voice for free international calls using 3G/4G mobile data connection