Mouthshut mobile app is an incredible app it is really work.
What u have to do:
1-you have to download it from Google play store.
2-you have to sign in with your Facebook account.
3-if you want MS point so you have to review on one topic
Ms points:
1favourable review= 40 points
1unfavourable review= 50 points
1like on any comment= 1 point
1replay on any comment= 2 points