Argostoli Evening School has developed an Android app with their work on Commons, Wikidata and Wikispecies for offline and/or online field use to acquaint the public with the abundant edible plants growing wild in their island's natural surroundings. The school's' innovative use of MIT's CC-licensed AppInventor environment in language projects will be presented by their teacher Mina Theofilatou at the Celtic Knot Conference in Edinburgh in early July.