Add (A) in a large pot and use hand whisk to stir till liquid to boil and sugar dissolved, off heat. Pour (B) mango mixture into (A), stir well and pass through a sift. Then add in (C) continue to stir with hand whisk till ice melted. Add in egg yellow coloring and mango flavor. Pour mango liquid into cups or molds and add in some fresh mango cubes. Put in refrigerator till mango pudding is set.