What are /r/OLEDMasterRace's favorite Products & Services?

From 3.5 billion Reddit comments

As we saw with the GWR but I like the idea of my device having more sensors and being able to react to them. Having a black screen would also save battery and might also look epic when done right, like this app https://play.google.com/store/apps/details?id=com.stmp.minimalface