Added note on API level selection. Also deleted debt API key for maps, so that user are not confused and can put their own generated keys.
Improved Play Store intent - now directly opens store with Speed Test app.
Removed google play store icon, now it is queried using package manager. (Its working now)
Merge pull request #16 from amardeshbd/dev

Minor improvement before release
Merge pull request #23 from amardeshbd/master

Minor improvement before release