Use this link to download MiniTool Partition Wizard Home Edition
http://download.cnet.com/MiniTool-Partition-Wizard-Home-Edition/3000-2094_4-10962200.html?part=dl-6285158&subj=dl&tag=button
1. Connect your SD card to PC through USB mode
2. Run the downloaded file (pwhe8.exe)
3. Select your SD card 2nd partition and right click to select DELETE option
4. Again select your 2nd partition (unallocated space at this moment) and right click to select CREATE option
5. Select partition type as ext4 and drive as primary (Not logical) from popup window
6. At last select the apply button from tool bar (first button)
Done - you created a EXT4 partition
Then install Mounts2Sd from Google Play, then
1. After installing the app, open it and allow root access
2. Configure install script
3. Enable applications, data , cache, etc.
4. Reboot
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