Multi app loaded same app first page

#1

I had develop 2 app with sharing some of the resources like the images and some similar code.
The case happen is like this:
IOS:
App A is Landscape
App B is Portrait
1 - press on App A
2 - press home button while splash page show up
3 - press on App B
4 - App B show up splash page
5 - App B show up the first page(login page) of the App A

The core problem is App B would show up App A’s first page,
if i do it in another way, App A won’t show up App B;s first page.

This make me feel very confuse, and i trapped here for weeks,
could any one please help me to find out how to fix it???

#2

Try to change some config.xml, still having this problem

#3

Would there any one know about it?