In high school, Mark and a friend built a media player called Synapse.

在高中时，马克和一个朋友制作了一个名为 Synapse 的媒体播放器。

You have to download your own media player?

你还得自己下载媒体播放器吗？

Applications will be around control of various aspects of the car, whether it's the windows or the media player or the navigation systems.

应用程序将围绕汽车的各个方面进行控制，无论是窗户，媒体播放器还是导航系统。