Micromax India recently launched a new Smart Phone called as the Canvas 4 which came up with some interesting features . One of those feature was the lock screen application which allows you to Unlock your Phone by just blowing air onto the screen or by just shaking the device. This cool feature is now available for all Android Mobile.
Just download the APK file from the link given below and then proceed to the installation of this app. Ensure that you have enabled the option to “Allow installation of apps from sources other than the play store” from the Security section of your Phone.
Once the app is installed, you would be asked to tap once on the same to Enable it following which you would get the lock screen active on your phone.
Root Not required
Sources: XDA Developers