Robinhood is only available in the U.S., however; check out these two other apps that may be available in your country!
https://steemit.com/life/@la2410/download-the-acorns-investing-app-and-get-usd5-free
https://steemit.com/life/@la2410/download-the-stash-investing-app-and-get-usd5-free