A company from Hong Kong. The use the brand name "Oplayer" for their game and related products.
Their handheld game console lineup as currently listed on their website includes:
- MGS2401A - a 150 in 1 8-bit console with what looks like Nice Code games built in
- MGS2702B - 200 in 1 16-bit console
- MGS2703 - 200 in 1 16-bit console
- MGS3001 - 180 or 220 in 1 16-bit console
- MGS3501 - 220 in 1 16-bit console
- MGS11 - a 32-bit touch screen console with camera
- MGS3501T - looks like MGS-11 hardware in MGS-3501 case
They also have a line of smartwatches, kids' Android tablets, media players, Android-based game consoles..
Website (which seems to only work properly in IE)