Yes, MADLock will change your Android into a earning machine. This will be done by simple way and the most import thing is it can be done for FREE. All you have to do is just to install the MADLock app in your mobile and follow the below steps. It will be freely available on GOOGLE PLAY.
Click the below link
http://play.google.com/store/apps/details?id=com.MADlock.Madlock
Or
Click google play on your mobile and search for "MADLock" and install for free
Step 1 - After installing you will see an add on your mobile screen just swipe on right side to close the ads.
Step 2 - just browse your mobile apps. you will find an app name "MADLock manager" click on the app.
Step 3 - it will lead to an page shows "Signin" "Signup".
Step 4 - Click Signup and fill the required field and enter your valid information & mobile no. and on Refer id type "534VWR" that's it. DONE.
FINAL STEP 5 - check your mail box for confirmation mail. Just click on the link to validate your mobile no. & Email id.
Also, Friend you will get Rs. 20 for signup & more ads you view more you will get money. Don't spam the app using more views. If you like the product you can buy the product using swipe left & you will get 10% discount on the product you buy using the ads.
One more thing if you refer your friends you will get Rs.10 on your account and 10% of your friends earning will be added to you. So, Share this with your friends.
Hope this article will be very useful to all of you and if you feel it is useful just install the MADLock apps and on REFER ID - type "534VWR". This will be helpful to me.