Microsoft receives bilions of dollars from android OEM annually for producing android phones( btween $5-$15 per phone) due to usage of microsoft intellectual property...like they say,'my enemy's friend is my friend',samsung have been unhappy with over dependence on android os and google's attitude towards its OEMs;coupled with dwindling sales of its smartphones and buzz around powerful windows 10,samesung have finally settled with google's greatest enemy,microsoft