Solution : https://service.sap.com/sap/support/notes/1005762 (SAP Service marketplace login required)
Key words : 
open sap web application server implementation guide --> sap web application server --> business management --> sap business workflow, /xapps~osp~fw~admin~launchpad~webdynpro/adminlaunchpadappand log, /xapps~osp~fw~admin~launchpad~webdynpro/adminlaunchpadapp, /xapps~osp~fw~admin~launchpad~webdynpro --> adminlaunchpadapp, left hand menu deployed content --> sap, sap administration guide configuring user management, travel management trip request approval process, customizing folder names custom folders created, click business applications property editor, duet administration console -> duet system management
Related Notes : 
       
| 993562 | Duet 1.0 SP02: Release Information Note |