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-This software was developed to collect participants' performance with their preferred hand and non-preferred hand in back-of-device (BoD) interaction.
+This software was developed to collect participants' performance with their preferred hand and non-preferred hand in back-of-device (BoD) interaction. With this software we can measure participants' performance in three HCI tasks: target acquisition (T), circular steering (C) and linear steering (L).  
 
 We program this software with [android processing](https://android.processing.org/) on MacBook Pro (Retina, 15-inch, Mid 2015, macOS 10.15.7) and tested it on ZenFone3Max (Android 6.0.1).