This custom ROM is made following the perfect guide written by saginesh here: external link.
You need a CWM or TWRP custom recovery to install this ROM.
Kernel is from Doogee stock rom KitKat version R13 with patched LK.BIN, if your display show only random lines after flash this rom, use SPFlashTool to download to phone only the original LK.BIN from Doogee stock rom R13.
WARNING 1: if you flash this rom over on another rom type (not MIUI) do a clean install, that mean you manually must wipe /data and /cache before install this rom.
WARNING 2: select English language for first time initialization, when initailization finish, change to your local language. This is because MiCloud initialization crash with other language see here for more info.
WARNING 3: never execute proposed OTA update, they arent' for DG2014 but for Xiaomi Redmi Note 1.