To install AppImagePool on Bergamo release you must follow these steps below:
su -
and enter the root password
apt-get install appimagepool
Now You may install all your favourite appimage application from AppImagePool.
To install AppImagePool on Vieste and Urbino64 releases you must follow these steps below:
sudo apt-get install appstore
the system will install an executable that it will find in /home/user/.appstore/appimagepool-5.0.0-x86_64.AppImage
We can click on this executable or we can create an icon from the right button menu → edit menu as per screenshot above.
All applications will be installed in /home/user/Applications/ and can be launched from the Appstore application, and therefore it is advisable to create a launch icon.
Now You may install all your favourite appimage application from AppImagePool.