How can I promote my Steam Group and Curator Page through Giveaways?

Hey guys! :) Happy Friday!

I hope all is well. You might have seen me here, I've been on the site for more than 4 years and I love the community to death!

This community motivated me to start my own Curator page and Group page. I've done a lot of giveaways linking the group to make it bigger and even though I am close to a 1000 followers and almost 350 in the Curator page, I would love to see the number grow. :)

My intentions is mostly promote indie gaming as a whole. I bought several games from unknown companies which had not many reviews just to review it myself and give it a little bit of attention. Now, my economy has been a little bit compromised so the purchase of games is a little bit more limited. This is why I opted to request games to the publishers as an exchange for post their reviews on my group.

And so far, it worked. Small games got over more than 200 views on their Store Page and a lot of retweets on my Twitter Account that I started this month.

However, in order to reach more developers and also have more keys to do giveaways, I need to boost my numbers.

This is why I am reaching out to you guys. What advice would you give me or which tips to improve/boost the amount of followers in the Group and Curator page? :)