HI gurumukhi, Thank you for your question, your question has been escalated and I am happy to help. I understand that you would like to know how to decipher between two installation of an app on a Firefox OS Simulator and I will be your code key to the confusion. [http://xkcd.com/538/ Security] Let's make sure that this does not take you too long [http://xkcd.com/612/ ] so here are some easy steps: (If you are using the Extension) # Launch the Firefox OS Simulator Extension # Do this by going to Tools> Web Developer> Firefox Simulator # This will bring you to the dashboard page to see all the installed apps Check this out for adding and updating apps to a simulator: [[https://developer.mozilla.org/en-US/docs/Tools/Firefox_OS_Simulator#Adding-updating-removing| Adding and updating and removing apps]] Check out this for more information [[https://developer.mozilla.org/en-US/docs/Tools/Firefox_OS_Simulator/ | Tools for Firefox Simulator from the Developers]] One more... [[https://developer.mozilla.org/en-US/Firefox_OS/Using_the_App_Manager/ | Using the App Manager]] Using the App Manager Please take note that the Simulator and the OS are still under development . For more technical questions for development please feel free to check out the development forums. [[https://developer.mozilla.org/en-US/docs/Project:Community/ | Project Community]] If any other contributors have more to add please do!

I just fixed the links, hopefully that will clear the air.