What do I do to compensate blueish ILI9338 display?
If you can telnet to your Dingoo (10.1.0.2, might not work from Windows), you can issue a command like this:
echo 100,100,70 > /sys/devices/platform/jz4740-fb/rgb
to select 100% red, 100% green and 70% blue.
Update: Please test whether this kernel
fixes the blueish colors.