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Then Isaac showed how the latest smartphone app worked using his own handsets while explaining the details of the new features along with potential applications that might come in handy someday. Although the young man's voice wavered slightly at times due to nerves, no one seemed to notice except for those sitting next to him in the second row. However, they didn't seem concerned about the problem since they probably knew that the issue would go away once he relaxed a bit and warmed up on stage. Nevertheless, Isaac spoke confidently throughout most of the demonstration while trying to keep his audience interested in listening to him instead of checking their phones to pass time. At the same time, his colleagues watched the reactions of the people in the crowd with great interest while trying to gauge their opinion about the new mobile gaming technology. Afterward, Isaac paused briefly before concluding his demo and allowing the others to speak freely for a minute.