a) 2 (Good Word - Words With Friends word checker/dictionary) b) 1 paid, 1 free (ad-supported) c) none, other than a blog post d) small (~$800 total sales, ~

a) 2 (Good Word - Words With Friends word checker/dictionary) b) 1 paid, 1 free (ad-supported) c) none, other than a blog post d) small (~$800 total sales, ~$30/month from ads)