From the official English-language press release: China Rockchip’s Multi-Windows for Android Global Upgrade Release
I wasn’t about to ever call it “Android Windows,” which is what it appears to be in Chinese. My own term was close enough to the real thing in English.
Previously here:
MultiWindow Android: Latest News
MultiWindow Android Versus Windows 8
Vido Will Offer MultiWindow Android
More About MultiWindow Android
Rockchip’s MultiWindow Android Is Stunning And Better Than Samsung’s
Rockchip Bringing Windowing To Android