esteemapp is great app Beacause it is give us free upvote and we earn more steem and sbd.
You just download this app from Playstore. Playstore download link- https://play.google.com/store/apps/details?id=com.netsolutions.esteem
Then you login this app with your steemit user name and password. Then if you will give good post esteemapp give you a free good upvote on your every post.