1. Process mango and icing sugar into a puree.
2. Soak the gelatine, then add it to 3-4 tbsp of hot water to dissolve.
3. Add the gelatinous mixture to mango puree and mix.
4. Whip the creqam, and mix in the mango puree.
5. Spoon into glasses and leave to set in the fridge for a few hours.