Having trouble snapping a mono app

[niemeyer]

This provides some relevant background when packaging pre-built binaries (shared-packages, etc):

How to make deb or rpm packages work inside snaps

There are several different approaches you can use here, @chani, and the best one really depends on details of the application you are using. When you ask snapcraft to ship a deb or an rpm package in the snap, or even unpack a tarball containing pre-built binaries, the content will be bundled in your snap and will be installed (mounted read-only) in the final system under the /snap/yoursnap/current/ directory. That means you’ll end up with directories which are typically found at the root, such…

Does that help somehow?