Whisk the cream into whipped cream. Add icing sugar, if desired. Boil milk with gelatin. Pour milk over mascarpone and sugar then mix everything up with a whisk.
Add zest, ginger and whipped cream then mix everything with a spatula. Refrigerate for 30 minutes.
Peel kiwis and slice in halfs. In a mixer, reduce pieces into coulis.
Divide blueberries into glasses. Add the mascarpone mousse over it then add another layer of kiwis coulis. Enjoy fresh!