These are promotional videos by NTT Docomo, one of the most famous mobile phone service provider company in Japan. They cook Gyoza dumpling and Fried Prawn in 3 seconds in order to refer its high-speed connection. They don’t use any CGI in these videos. They literally cooked in 3 seconds.
cooking Gyoza dumpling in 3 seconds
cooking Fried Prawn in 3 seconds
NTT DOCOMO, Inc. (株式会社NTTドコモ Kabushiki Gaisha Enu Ti Ti Dokomo) is the predominant mobile phone operator in Japan. The name is officially an abbreviation of the phrase, “do communications over the mobile network”, and is also from a compound word dokomo, meaning “everywhere” in Japanese.
How to cook Fried Prawn normally