Joining the bandwagon of lists that are usual for this time of the year. I also think it would be fun to see how my app usage varies over the years.
I have a Nexus 5 and Nexus 10 running the latest version of Android Kit Kat. The order of appearance has no meaning here but these apps are the ones I usually find myself using when reaching for my devices. There are others but the usage just isn't high enough.
2) TweetLanes ( phone) / TweetCaster (tablet)
4) Google Maps
5) Chrome Beta
9) Google Drive
12) Google Now
14) Flipboard (tablet only)
15) Astro File Manager
18) Netflix ( tablet only and 100% of the time to Chromecast)