This is a very simple tool to determine which Pokemon you should take to the gym. It was designed for users who want a quick estimate of what Pokemon to bring without having to enter lots of information. It can also be used as a quick and easy Pokedex.
Download the installer of Battle Tool for Pokemon GO 1.0.2 that is available for free and have a look at users' reviews on Droid Informer. The app is built for Android 4.1 and higher. The download of this application doesn't contain viruses or any kind of malware. Danbardo is the official developer of Battle Tool for Pokemon GO that can be found in the Tools category.