You’ll be more anonymous on the internet: your IP address and location won’t be visible to just anyone anymore.
You’ll be safer on the internet: the encrypted tunnel will keep away hackers and cybercriminals and your device won’t be as vulnerable to attacks.
You’ll be more free on the internet: by using different IP addresses, you’ll be able to access websites and online services that would otherwise be blocked.

There are many VPN app on Google Play that you can download:

https://play.google.com/store/apps/details?id=free.vpn.unblock.proxy.turbovpn.lite

https://play.google.com/store/apps/details?id=com.expressvpn.vpn

...