Snapcraft or Snap is a universal app store for Linux and deliver and update your app on any Linux distribution for desktop, cloud, and Internet of Things.
Snaps are transforming the way install and update apps, working across many distributions and versions of Linux
Snaps are bundling dependencies and config, and simplifying installs to a single standard command.
Parrot Security OS is Debian-based platform. You can install snap with apt.
Open Terminal and type:
sudo apt update
sudo apt install snapd
If you’re running Parrot Security OS 4.1 and above, you don’t need to install Snap. it is already installed.