Giphy Cam allows you to take a series of photographs or video that are then turned into a GIF video.
Surfy Browser is a new web browser with the focus on security: has the ability to password lock the browser, private browsing, includes ad blocker.
Wallpapers is the one of a couple of Pixel apps and is available to most devices. This app houses the Google Pixel wallpapers.
Inkwire allows easily share your screen to another Android user, good to provide remote assist.