How to use roehsoft ram expander in grand duos i9082

INTRO: Hi all, I am still a learner and love to do new things.

OBJECTIVES:
1. To play Big Games without lag.
2. Increase RAM (ROOTED DEVICE).
3. Make Device Faster.

ADDITIONAL INFO:
1. Rooted Device With 4.2.2

NOTE:
As my device's kernel is not SWAP COMPATIBLE now (Tested using MEMORY INFO- SWAP CHECK), Tell me how can I Increase RAM.
ALSO, which version of CM is best for me and its Step by Step guide (Video and Written).