Isekai World

you are hungry on the night so you decide to go to the rubbish bin in the back of the restaurant to search for a leftover but then you found a phone and luckily its still working. You decide to check and found an app name Anime World and you open it. Hmm it says here write the name of anime that you want to go you type the anime you want and suddenly its like a portal appear and pull you inside it