hello, i published several games on appstore but on of my game have 1100 downloads only in one week i put lot of keywords on english spain uk australia and canada lenguages and other 24 languages, share on facebook twittter, also mail with puplishers they dont want to publish app that is on appstores. but app visibality is very low what i must to do spent money to buy downloads or are they other free ways to increase downloads?