Is this MC67 Android or Windows Mobile device?
What happens if you quit one application and the try to launch another app via shortcut?
Please try quit api in yor JS page from here.Enterprise Browser 1.2
What happens when you try to launch the second application. Can you please share the logs?
Another option is,Create a local file and save it in device,and from that page create two href link and those should take you two your two different applications.