WiFi Master is a free Android app developed by Linked Labs that helps you find and connect to open WiFi networks. With this app, you can save your mobile data usage by easily hopping over to an open WiFi network. The app automatically searches for available open networks in your area and connects to them without any hassle.

One thing to note is that WiFi Master only shows available open networks and doesn't connect to secured networks. It is a great tool to use when you're on the go and need to save your mobile data. With WiFi Master, you can enjoy fast and free internet connection with just a few taps.