Simply plug in your values to get your expected value! When your expected value is positive, greater than zero, the mathematics of Texas Hold'em Poker say you should call because you will win the calculated amount over time, meaning it is profitable for you in the long run.
It's safe to download this application. The app is developed by Abraham Yepremian and its category is Tools. Over 1K users downloaded and set up Texas Hold'em EV Calculator and the most recent release was on Nov 8, 2015.
On Google Play, this application has been rated 3.7 by its users. It's free to download the installer of Texas Hold'em EV Calculator, also, you can take a look at users' reviews on Droid Informer. The app works fine on Android 2.3 and above.