TetherFi uses a Foreground Service to create a long-running Wi-Fi Direct Network for other Connected Devices. • What Share your Android device's Internet connection with other devices without needing Root. You will need at least one Android device with normal access to the Internet, either via Wi-Fi, or a mobile Data plan. TetherFi works by creating a Wi-Fi Direct legacy group and an HTTP proxy server. Other devices can connect to the broadcasted Wi-Fi network, and connect to the Internet b