Looks like Lenovo are releasing the Y900 in the USA / Europe this summer.
Turns out it's a rebranded Tab Extreme :
www.notebookcheck.net
Good thing it's gigantic at 14.5 inches, so I don't have buyers' remorse having just bought the 8.8 inch Y700.
Makes a global release of the Y700 even less likely though if this has been announced first?
Turns out it's a rebranded Tab Extreme :

Lenovo Legion Y900: New gaming tablet showcased as Tab Extreme spin-off
Lenovo has introduced the Legion Y900, a new tablet in its gaming series. The Legion Y900 features a 14.5-inch OLED display with a 120 Hz refresh rate, a MediaTek Dimensity 9000 and 12 GB of RAM, among other hardware.
Good thing it's gigantic at 14.5 inches, so I don't have buyers' remorse having just bought the 8.8 inch Y700.
Makes a global release of the Y700 even less likely though if this has been announced first?