This is Video How to Build APK and Edit File Buildbox Eclipse Project , As i say you must have ADT and JDK 7 . You can download in the link below : \r \r Eclipse Juno (Android Developer Tools): For 32 Bit Version : \r For 64 Bit Version : \r \r JDK 7 for Your Sistem\r \r \r Another Important !! \r Install API 21 or higher from SDK Manager on ADT Bundle . \r If you want to Preview the Game , you can try on Genymotion or Real Device . Do not use Eclipse Emulator \r \r You Must Download API 21 as minimum Requierments. In this video i use API 23 . Then Follow the Video Instructions