A handheld computing unit includes a hardware section, an application section, and an operating system section. The hardware section and operating system section are operable to: detect another device; determine whether to merge functionality with the other device; and when it is determined to merge functionality with the other device, initiate a reboot of the handheld computing unit and of the other device in a merged mode, wherein, in the merged mode, the hardware section and a hardware section of the other device function as a single hardware section and the operating system section and an operating system section of the other device function as a single operating system section.