hey bro! try sagarwap's legoice fusion v3 (released on 5/2/14) its the best rom according to me ,i'm using it ,it works great ,no lag ,lots of free ram,
and the attractive point best samsung interface provided by any rom (according to me).all others details u can find at the thread. hit thanks if my post helped
---------- Post added at 04:10 AM ---------- Previous post was at 04:04 AM ----------
if you like u can also try legoice turbo v3.1 (runs on 4.2.1 :P),it gives the latest micromax turbo interface experience with amazing features like icall and isms (floating sms and call), a lots of smart gestures,and always 200+ free ram on first reboot. you can surely try this, u won;t regret flashing this rom
, second best rom by sagarwap according to me . Note: i hav used both the roms and reviewing according to my experience. Please hit thanks if my post helped u.