Для openSUSE Tumbleweed запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:apps/openSUSE_Tumbleweed/multimedia:apps.repo
zypper refresh
zypper install radiotray-ng
Для openSUSE Factory PowerPC запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:apps/openSUSE_Factory_PowerPC/multimedia:apps.repo
zypper refresh
zypper install radiotray-ng
Для openSUSE Factory ARM запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:apps/openSUSE_Factory_ARM/multimedia:apps.repo
zypper refresh
zypper install radiotray-ng
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/multimedia:apps/15.6/multimedia:apps.repo
zypper refresh
zypper install radiotray-ng