Using while moving: HCI issues in fieldwork environments
ACM Transactions on Computer-Human Interaction (TOCHI) - Special issue on human-computer interaction with mobile systems
Reassessing current cell phone designs: using thumb input effectively
CHI '03 Extended Abstracts on Human Factors in Computing Systems
Precise selection techniques for multi-touch screens
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Evaluating one handed thumb tapping on mobile touchscreen devices
GI '08 Proceedings of graphics interface 2008
The fat thumb: using the thumb's contact size for single-handed mobile interaction
MobileHCI '12 Proceedings of the 14th international conference on Human-computer interaction with mobile devices and services
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People commonly manipulate their smartphones using the thumb, but this is often done with an unstable grip in which the phone lays on their fingers, while the thumb hovers over the touch screen. In order to offer a secure and stable grip, we designed a virtual control called TouchShield, which provides place in which the thumb can pin the phone down in order to provide a stable grip. In a user study, we confirmed that this form of control does not interfere with existing touch screen operations, and the possibility that TouchShield can make more stable grip. An incidental function of TouchShield is that it provides shortcuts to frequently used commands via the thumb, a function that was also shown to be effective in the user study.