Download the app Cameringo for free (used to be $2.50)
Here is a trick to get the Cameringo app for Android free of charge. All you have to do is download the demo app from Google Play, click on the Lock icon and type in Appoftheday and then click unlock. Cameringo is an app that can help you make the most out of your phone camera. There are a number of interesting live effect that can be applied on your pictures using this app. The only problem is that the demo version comes with some limitations. Well with this trick you can now have access to the full version. Make sure to take advantage of that.