You might have a look at Open Food Facts (https://world.openfoodfacts.org https://world.openfoodfacts.org and https://world.openfoodfacts.org/discover https://w

You might have a look at Open Food Facts (https://world.openfoodfacts.org https://world.openfoodfacts.org and https://world.openfoodfacts.org/discover https://world.openfoodfacts.org/discover https://world.openfoodfacts.org/contribute https://world.openfoodfacts.org/contribute ). Crowdsourced Wikipedia for food. We already have apps (Cordova) and we're doing efforts to redevelop in native on each platform (all is volunteer word). We've long wanted to create a small game/gamification app to have people make more complex contributions than taking pictures. pierre at openfoodfacts dot org