Overall, it's a good toy for some simple use and the experience will not be too bad for it's users, but if it can have an open OS, I think it can do an even better job.

总体而言，对于简单使用它确实是个不错的玩具，对多数用户也会有不错的体验。但如果能装个主流系统，应该会有更好的表现。

youdao

Because the OS is fully open source, you can do anything you'd like to the phone.

由于该系统完全开源，你可以按自己的意愿进行修改。

youdao

Russian pupils are to use domestic open source OS in 2009.

俄罗斯小学生将会在2009年使用国产开源操作系统。

youdao

Maybe there is a Meizu handset with the open source OS in your (distant) future.

ENGADGET: Meizu M8 gets new UI, possibly Android?

Additionally, the open source OS means that they "could get people to develop apps" for the satellite.

ENGADGET: SSTL using Android handsets to control satellites, conquer the final frontier

Project Openmoko, which was dedicated to producing a truly open Smartphone OS, backed out of phone hardware after the release of the FreeRunner in 2009.

FORBES: Jolla: A New Smartphone Startup In A Crowded Market