Porting LEWA ROM to any device(NOOBS guide)

PREREQUISITES :

adb- This will help you out in deadly conditions
winRAR - For opening zip files
Notepad++ - For editing text

ROMS YOU WILL NEED :

Base ROM : CM7/MiUi/old Lewa(didn't tried on stock rom) For Your Device
LewaOS ROM : Get it from official site.

STEPS TO PORT :

1. Open both ROMs using winRAR in two windows..No Need To Extract
2. Go to '/system' and delete '/system/app', '/system/framework' and '/system/media' folder from Base ROM (CM7)
3. Copy '/system/app' , '/system/framework' and '/system/media' folder from LewaOS to Base ROM.
   Copying can be done by simply drag and drop between the winRAR windows
4.  Go To '/system/bin' of Base ROM

   --Copy all files present in '/system/bin' to LewaROM.
   --Now from LewaROM copy all files from '/system/bin' folder to '/system/bin' of Base ROM
   --This replaces all existing files of same name and adds missing files

5.  Go To '/system/etc' of Base ROM

   --Copy all files (except the folders) from '/system/etc' of BaseROM to '/system/etc' of LewaROM
   --Now from LewaROM copy all files from '/system/etc' folder to '/system/etc' of Base ROM
   --This also replaces all existing files of same name and adds missing files

6.  Go To '/system/etc/init.d' of Base ROM

   --Copy all files '/system/etc/init.d' of LewaROM to '/system/etc/init.s' of BaseROM

7.  Go To '/system/etc/permissions' of Base ROM

   --Copy all files from '/system/etc/permissions' of BaseROM to '/system/etc/permissions' of LewaROM
   --Now from LewaROM copy all files from '/system/etc/permissions' folder to '/system/etc/permissions' of Base ROM

8.  Go To '/system/lib' of Base ROM

   --Copy all '*.so' from '/system/lib' of BaseROM to '/system/lib' of LewaROM
   --Now from LewaROM copy all files from '/system/lib' folder to '/system/lib' of Base ROM

9.  Go To /system/xbin of Base ROM

   --Copy all files present in '/system/xbin' folder to '/system/xbin' of LewaROM.
   --Now from LewaROM copy all files from '/system/xbin' folder to '/system/xbin' of Base ROM

10. Open 'build.prop' from both ROM using Notepad++
     Add these lines below 'ro.cm.device=YOUR_DEVICE_NAME'
    

    ro.lewa.version=YOUR_ROM_NAME
    ro.lewa.device=YOUR_DEVICE_NAME
    Add these lines in # ADDITIONAL_BUILD_PROPERTIES below 'ro.com.android.dataroaming='
    ro.compcache.default=0
    ro.lewa.swapper.part_path=/dev/block/mmcblk1p3
    ro.lewa.swapper.flash_swappiness=99
    ro.lewa.swapper.sd_swappiness=60
    ro.error.receiver.system.apps=com.lewa.fc
    ro.error.receiver.default=com.lewa.fc
    persist.sys.notif-speaker=1
    persist.sys.ring-speaker=1
    persist.sys.alarm-speaker=1
    Remove the following lines
    ro.config.ringtone=Playa.ogg
    ro.config.notification_sound=regulus.ogg
    ro.config.alarm_alert=Alarm_Beep_03.ogg
    persist.sys.themeId=Cyanbread
    persist.sys.themePackageName=com.tmobile.theme.Cyanbread

Now Your Device has LewaOS
Source: I tried this method from Blinddumb and it worked.