AndroidGuys. Guide To Building Android Applications. Ok, so you’ve read the Android FAQ, successfully managed to install the Android SDK and get it up and running, so now you’re finally ready to get building some Android applications. Below you’ll find anumber of links to sites that will be of great use to you as you get to grips with the Android SDK and begin to work on creating your own applications for the platform. Android applications are written using the Java programming language, you’ll also use a custom virtual machine (Dalvik) to run and tst your creations. Android.