Finally the play store fix come here...
With this tool u can fix the 492 or 498 error on play store (NOT SURE)
There are two versions, one for RFS partition and one for EXT4 partition, download the one accoreding to your rom specs.
1. copy the zip on sdcard
2. go to cwm and install it
3. don't need to mount anything
4. now ur play store SHOULD BE fixed
I AM NOT RESPONSIBLE FOR BRICKED DEVICES!!!