xreader from home:ZA:branches:X11:Cinnamon:Factory project
Select Your Operating System
Add repository and install manually
For 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:ZA:branches:X11:Cinnamon:Factory/15.3/home:ZA:branches:X11:Cinnamon:Factory.repo zypper refresh zypper install xreader