In the description provided for the "Ironing and Fan Online" application, there is an Easter Egg mentioned that looks like just an iron and a fan. The clue to finding this Easter Egg is given in the text: "I have put EasterEgg in this game come find it, I put it somewhere, look for it under flying flags of burning determination!! yey yey yey."

To find the Easter Egg, you need to look "under flying flags of burning determination." This phrase suggests that within the game, there might be a visual or interactive element resembling flags that are somehow associated with determination. The Easter Egg, which looks like an iron and a fan, should be located near or under these flags.

Given the whimsical and imaginative nature of the game description, players should explore the game environment thoroughly, especially around any elements that could symbolize "flying flags of burning determination," to uncover this unique Easter Egg.