thanks for reply but it does not answering my question.
at this stage i am willing to find a solution for my problem before jumping to new journey

will be glad for help with this one: i used https://tonyredhead.com/phonegap-build/offline-tours-android tutorial for making android offline virtual tour app. everything went smooth and manage to build the app. but after creating another app for different tour, i didn't manage to install the second ...