In ADK 1607 the App-V tools was included in the ADK, for some reason they don’t show up when installing on Windows Server 2016 (sometimes). If you install on Windows Server 2012 R2 it works as expected
The App-V task Sequencer is missing.
It is however possible to manually install the App-V Sequencer if you downloaded the entire kit.
Find the file “Appman Sequencer on amd64-x64_en-us.msi” and run the installer, and “woops”, there it is: