title: Android: custom marker cluster
body: <p>Hello i have to implement  custom markers like the markers in the picture here 
  <a href="https://www.dropbox.com/s/cwsq8hpkmeypo4b/AndroidMap.png?dl=0" rel="nofollow">https://www.dropbox.com/s/cwsq8hpkmeypo4b/AndroidMap.png?dl=0</a>
  someone can suggest me some tutorial or  reference to follow thanks in advance</p>