I see a Jewels.apk at http://sorbaioli.org/repo/ but if it's the Jewels I think it is, it's not FOSS. See: http://www.mhgames.org/games/jewels/comment-page-7/#comment-764 A somewhat misleading earlier response here, I think: http://www.mhgames.org/games/jewels/comment-page-3/#comment-231