How to download applications like opera, uc browser, subway surfers game in Nokia Lumia sets?

i always used android phones and i just open play store and download what i want, but now i am switching to Lumia phones, therefore i want to know can i download anything in windows phone also? For android i have a choice of play store but in lumia phones what will i do to download opera, games etc

Read more: How to download applications like opera, uc browser, subway surfers game in Nokia Lumia sets?