Yeah, in your wallet, you can use your posting key to use some dapps. We have @actifit that count steps, @dsound for audio and a lot of other applications that you can use to earn some steem. Learn about them here : https://steemapps.com/

You can also set up the steem keychain after installing it here : https://chrome.google.com/webstore/detail/steem-keychain/lkcjlnjfpbikmcmbachjpdbijejflpcm?hl=en

And learn about the tribes that we have and the tokens, you can also convert those into steem.

All the tokens and the platforms that you can entre with keychain are here in this website : https://steem-engine.com/