Not immediately obvious: The developers of these gadgets are MTC, a subsidiary of THTF Tsinghua Tongfang.
Remember, there are actually six products, all of them based in the same platform:

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There's quite a bit to read about this subject, so start googling. There's a good article in LinuxDevices.com, for example.

The operating system is LimeOS, based in Debian Linux:

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Could some prototypes be delivered to MorphOS developers? Then we could show them how an operating system should behave!