run Lua files from sd card (outsidde asset folder)

I’m using CoronaCards on Android but I have to load corona files form sd card instead form “asset” folder.  I read this topic https://forums.coronalabs.com/topic/50399-asstes-folder/ and the main lua files seems to be loaded correctly.  But inside the main.lua file, the “require” lua instruction doesn’t work  My question is:  “how I can execute, in Android, a corona complex project with many “lua” files from sd card ?” Is it possible ?  (when I move all lua files in asset folder everything works correctly).

Thanks in advance