Since Zidoo and Himedia are made in China/Shenzhen i suggest that the Zidoo should walk down the block and buy HiMedia H8,to an idea on how Frame-packing 3D works.
MY CURRENT MEDIA PLAYER | MY HOME THEATER
MINIX NEO U22-XJ COREELEC v19 MATRIX | EGREAT A10 | NVIDIA SHIELD | LG 75 NANO90 DV/HDR+ | Sony 43 Android TV HDR
XBOX SERIES X | PS4 PRO 4K | JBL 9.1 System 5.1.4 DTS:X/ATMOS