"computer systems"@en . "Computersysteme"@de . "mobile application"@en . "Mobile Anwendung"@de . "smartphone"@en . "Smartphone"@de . "tablet"@en . "Tablet"@de . "e-reader"@en . "E-Reader"@de . "personal digital assistant"@en . "Personal Digital Assistant"@de . "notebook"@en . "Notebook"@de . "mobile communication"@en . "Mobilkommunikation"@de . . . "mobile computer"@en . "Mobiler Computer"@de . "mobile device"@en . "handheld computer"@en . "handheld"@en . "handheld device"@en . "Mobiles Endgerät"@de . "Mobilgerät"@de . . . . . . . . .