The short version

Atsumia is an independent prototype and is not affiliated with or endorsed by GeoNames or the Wikimedia Foundation.

In detail

Wikipedia, Wikidata, Wikimedia and Wikimedia Commons are marks of the Wikimedia Foundation.
Per-card credits are shown on each card detail page and summarised under Data & credits.
Publisher and hosting details would need to be completed before any public launch.

Settings control motion, text size, sensitive imagery and your local data, with no hidden flow.