Sige7 Installing Android on eMMC

Hi, I’ve tried to install Android on Sige7 but the system won’t boot. I’ve used RKDevTool.
Loader → MiniLoaderAll-v1.15.bin Address–>0x00000000
image–> armom-sige7-emmc-android12-rkr12-2024228.img
Do I need another Loader for Android? Can anyone help me?
Thanks

Please refer to this document and burn armom-sige7-emmc-android12-rkr12-2024228.img