Osmand is (or was last I checked) also available paid on the Amazon Fire store. If you get Amazon digital credit, e.g. from a "prime day delivery", you can use

Osmand is (or was last I checked) also available paid on the Amazon Fire store. If you get Amazon digital credit, e.g. from a "prime day delivery", you can use the fire store to donate that money to Osmand or whatever other app of preference.