Strange they use rk3399, because it only has tvbox boards, unless rockchip has made a custom board for them. 300 bucks os Too much anyway for an android gaming device. Gpd win is at that price and has better options for gaming.
Thanks for all of the additional information on this Android device's company. Although I personally do feel there's still a place for Android handhelds. Supposedly the Nvidia Shield Portable 2 with the Tegra X1 will be shown at E3 next month and go on sale this summer. Link provided below pertaining to the Shield Portable 2.https://fccid.io/VOB-P2523