Para openSUSE Leap 42.3 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:ykoba/openSUSE_Leap_42.3/home:ykoba.repo
zypper refresh
zypper install qjoypad
Para openSUSE Leap 15.1 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:ykoba/openSUSE_Leap_15.1/home:ykoba.repo
zypper refresh
zypper install qjoypad
Para openSUSE 13.2 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/home:ykoba/openSUSE_13.2/home:ykoba.repo
zypper refresh
zypper install qjoypad