1) Install Snap:
https://snapcraft.io/docs/installing-snap-on-opensuse
2) Install WeKan:
sudo snap install wekan --channel=latest/candidate
sudo snap set wekan root-url='http://localhost'
sudo snap set wekan port='80'
3) Register at at http://localhost/sign-up
Login at http://localhost/sign-in
More info at https://github.com/wekan/wekan/wiki/Adding-users
4) If you instead would like to access WeKan from other laptops on your local network, check what is your computer IP address, and change your IP address here:
sudo snap set wekan root-url='http://192.168.0.200'
More info at https://github.com/wekan/wekan/wiki/Settings
5) Create app icon for your mobile devices on local WLAN:
https://github.com/wekan/wekan/wiki/PWA
6) Some more info: