Solution : https://service.sap.com/sap/support/notes/1602711 (SAP Service marketplace login required)
Key words : 
multiple devices simulataneously results, terms sap netweaver mobile 7, data orchestration engine, solution apply sps 13    -, post implementation steps, goto transaction sdoe_rmm012, generation completed successfully, symptom subscription, work processes, subcriptions reason
Related Notes : 
       
| 1570548 | NetWeaver Mobile 7.10 Composite Note for SP12 | 
| 1497826 | NetWeaver Mobile 7.10 Composite Note for SP11 |