Q: front row on yosemite

there is no front row in 10.10

You can find an alternative in the Mac App Store: nessMediaCenter.

The MAS version does not offer any internet content (like movie trailers), but at its support web page you can download other versions including a demo. And these versions are newer...

try this

https://youtu.be/aihmF7gX8Ds

Hello sylram,

Unfortunately there is no FrontRow functionality in Mac OS X Yosemite (10.10).

Thanks,

James