SYMPTOM:
In Strategy 9.3.1, the user manager project access has two newly added privileges, ‘Mobile save to My Reports’ and ‘Mobile save to Shared Reports’ as shown below.

By the help menu definitions, each privilege should function as follows. However, these two functionalities are not actually introduced in the mobile client.
Save items to user’s My Reports folder from the Strategy Mobile client
Save items to the Shared Reports folder from the Strategy Mobile client
CAUSE:
This is a known issue in Strategy Mobile 9.3.1
ACTION:
This issue is addressed in Strategy Mobile 10.2. Upgrade to this release to take advantage of the fix.