Trojan(trojan-gfw) is an unidentifiable mechanism that helps you bypass Internet censorship.
Igniter is an open-source client with the official implementation of Trojan.

Features:
* Transparent proxy with VPN service
* Exempt Apps and Websites
* Build-in GEO Domain/IP database
* Quick setting tile
* Opensource

Source: https://github.com/trojan-gfw/igniter

NOTE: If you encounter any issue please force-stop the running igniter app uninstall it do a hard reboot (a.k.a. power off your device and power on) then install the new release.