Section 1:
This app enables any android smart phone to search for open WiFi network and connect to it automatically. It respects your choice and will not change the network if the device is connected to any saved network. You can also connect/disconnect to any network you want by simply tapping on it. Note that this app will only show you available networks if there is any and it doesn't connect to secured network.
Section 2:
This app provides a complete wifi solution including features like creating personal hotspot, Bonjour Browser, Smart Wifi, Network Scanner, and Configure Router. It takes care of only open wifi networks in your area.
Section 3:
This app uses a third party which uses your current location for doing market research. You can opt out in the app, and you can visit their privacy policy and terms of service to know more.