The performance test was conducted on two pairs of devices: Nexus One versus Nexus One and Nexus One versus HTC Hero. Hero and Nexus One do not have a common hardware configuration. Hence, there was a tradeoff in the network delay. Based on this experiment, we found that the lower the offset time between devices, the greater the effectiveness. The offset varied between ±1 ms, which showed an effective synchronization of the clock times in both devices.