SYMPTOM:
There are two documents A & B. Document A set to portrait only and document B set to landscape only on Mobile, and there is a link from A to B.
On Android device, turn off the mobile Rotation Lock.
Hold the mobile device vertically, and run the document A, which display correctly. And then link to document B with device still in vertical holding, the document B still display in portrait view, instead of landscape view as expected.

And then, there are two possible subsequent scenarios after changing to hold the mobile device vertically to horizontally:
CAUSE:
This is a known issue in Strategy Mobile 10.11 for Android
ACTION:
This issue has been fixed in Strategy Mobile 10.11 for Android, please upgrade to Strategy Mobile 10.11 for Android to take advantage of the fix.