It is an application that you can create a raffle as you like.
You can draw a random lottery by deciding the number of lottery.

It has a history, the number of times it appears, and a function to hide the displayed result.
You can choose to reduce or not reduce the number of raffle drawn.

You can use it for ordering, fortune-telling, etc. by setting items when you draw something.

It can also be used for roulette, slot simulation, etc. to calculate probabilities.