Lightbulb [Q] searching rom for celkon a107

sir,im using celkon a107 mt6577 chip set for many days iam trying to find acustom arom for my mobile
i cant get it
manufacture;alps
android version :4.0.4
kernel version:3.0.13
screen resolution;480*800
ram:483mb
cpuarchitecture:arm cortexa9 1.00ghz
and also no fast charging how can i over come these problems
plz give me valuable suggestions
thanks in advance