Launchpad currently recommends translating gnome-software in Ubuntu Cosmic.

Template "gnome-software" in Ubuntu Cosmic package "gnome-software"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 1296 1296 0 0
Dakota 100.00  100.0% untranslated 1296 1296 0 0
Hawaiian 100.00  100.0% untranslated 1296 1296 0 0
Inuktitut 100.00  100.0% untranslated 1296 1296 0 0
Lakota 100.00  100.0% untranslated 1296 1296 0 0
Ojibwe 100.00  100.0% untranslated 1296 1296 0 0
Spanish 032.87  67.1296296296% translated  32.8703703704% untranslated 426 426 0 150 150 2018-08-18 23:49:40 UTC 2018-08-18 Rodrigo
Tlingit 100.00  100.0% untranslated 1296 1296 0 0
Yiddish 100.00  100.0% untranslated 1296 1296 0 0
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Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of gnome-software in Ubuntu