[quote author="metRo_" date="1420753935"]It says that the enterprise edition comes with pre-built software stack for linux and android, there is anyway to built it from the Community edition? Or it is a Enterprise only feature?[/quote]The software stack is Enterprise only. Essentially, the folks at Digia put together a custom Linux distro that is optimized for deploying, running and debugging Qt applications in embedded systems. That distro is the software stack. (I don't know what exactly is in the stack -- it could be open-source software plus commercial Qt, or it could contain custom-written software too)
The Community version of that is to build a distro (Ubuntu, or Angstrom, or something else) that contains Qt libraries. The "Yocto Project":https://www.yoctoproject.org/ is a good place to start.
Further reading: "HTG Explains: What’s a Linux Distro and How Are They Different?":http://www.howtogeek.com/132624/htg-explains-whats-a-linux-distro-and-how-are-they-different/