Indus OS is a customized mobile working system based mostly on the Android Open Source Project . No longer valid as of 2018Indus OS is out there on Micromax, Intex, Karbonn, and different Indian smartphone brands. /e/ is an working system forked from the supply code of LineageOS . /e/ targets Android sensible cellphone gadgets, and makes use of MicroG as a alternative for Google Play Services. ColorOS is a custom front-end contact interface, based mostly on the Android Open Source Project and is developed by OPPO Electronics Corp.