I was not privy in the preparation of this dessert days ago but upon looking and tasting it, I can easily whip and make my own version. This is just like the usual ice boxed cake (usually it's broas and fruit cocktail) or the much more common mango float wherein graham crackers are layered, smothered and topped with mangoes and cream.
This is just a variation with the use of otap to provide the crunch and a creamy choco-butter mix. Then more cream and otap crumbles as toppings though I may have tasted a hint of cheese i nthe toppings though Im not sure since chocolate and cheese seem weird.