a simple google translate would of gave you this :
firmware Title : MIUI 4.4.2 MOD Custom KitKat Version : 1.0 Year : 2014 Developer : den-mz & sergeev231285 View firmware : custom Language : English + Russian Platform : Android 4.4.2 Type of Installer :. zip Description : a custom MIUI deodex firmware based on stock 4.4.2 KitKat. Extras. Information : For a successful firmware update you should: 1. Unlocked bootloader. 2. Customise rekoveri - TWRP-184.108.40.206 or ClockworkMod-Recovery-Touch-220.127.116.11.
1. Throw firmware download to the root of your phone.
2. Restart the phone to rekoveri.
3. Make Wipe: Dalvik Cache, Cache, Data.
4. Install the firmware.
5. Restart the phone.
6. Await the launch of the system (about 5-10 minutes), begin to set up the phone.
Why not try the Rom yourself, seeing as your keen! could always restore with a nandroid if its cr@p!!