When I run my code in RhoStudio emulators, I have no problem with this. But when I install the apk file on android, it navigate from erb page to html page but could not navigate from html page to erb page.
My index page is .erb with other pages are html pages. When ever I try to navigate back to erb page, I get the error page below.

The code I used is:

Initially it was and still the same.
Both pages are in the same "app" folder.