Is that legal to make an app for a website that i don't own?

Question

hey i see a lot of awsome websites that could be use in an android app. but is it legal to make an app without their permission and publishe it in ay store ?Thanks in advance and sorry for my English

Answer 1

yes but the app should be free of cost.

Answer 2

unlikely. It depends on which country you are in but you have almost no chance of having approved for the app store.