The GT7 does support split-screen functionality, but due to the small screen sizes of some vehicle head units, using navigation in split-screen mode would result in an unbalanced display. Therefore, navigation apps on the GT7 do not support split-screen. However, other apps, such as Bluetooth calls, video apps, and music apps, can still be used in split-screen mode. Our other smart box models, such as the GT6 Pro and GT7H, support split-screen for both navigation and video/music playback.