AppsGeyser is perhaps the most popular and the easiest tool to utilize in creation of an android app. It is best for people such as web developers an bloggers who have a mobile ready website and intend to promote it. It is an absolutely free tool. Another of the app creation tools which is provided free but is more complex and provides a big range of options. It is best suited for people with some knowledge in app development since the source code is downloadable for tweaks and improvements. More screens can be added to an android app with each having its unique characteristics and functions.