what OS used in China mobile phones?

* OPhone is a mobile operating system running on the Linux kernel.
* Ophone means OMS (Open Mobile System),
* It is based on technologies initially developed by Android Inc.,
* Google purchased a firm later, and work done by the Open Handset Alliance.
* The OPhone OS has appeared only on China Mobile phones, and the software was developed for China Mobile by software firm Borqs.
* A modified version of OMS has appeared on other carriers as Android+, also developed and maintained by Borqs.
* Android has been modified for local Chinese markets by China Mobile's OPhone Software Developers Network.
* OPhone is a Linux-based smartphone software platform.
It was developed by China Mobile and based on the Android operating system developed by Google.
* OPhone is based on open source software and mobile internet technologies.
# For end-users, OPhone aims to provide cheap, low frills, entry-level smartphone access and a limited mobile internet experience using China Mobile's proprietary TD-SCDMA network, and its GSM network.