There's a lesson on don't price your app at $1.
This for example. https://play.google.com/store/apps/details?id=com.halfbrick.... https://play.google.com/store/apps/details?id=com.explodingk...
This for example. https://play.google.com/store/apps/details?id=com.halfbrick.... https://play.google.com/store/apps/details?id=com.explodingk...