Hello,
my splinterlands username is @h3m4n7

Looking at some of the users statistics on various play2earn games, splinterlands seems to be one with most active users and in my opinion the reason for that is low entry cost to start playing the game which let users try the game around and with initial rewards (like daily quests) get them interested and keep them playing longer and supporting the economy of the game, although I am not sure how recent changes in chest rewards with effect this.

If game devs can keep all players interested, new players with interesting rewards (potions seem to be crap) and veteran players with new cards and challenges, then in 1 year game will surely hvae lot more active users.

About tagging a friend, since I am new to the game and community, currently do not know any people here so can not tag anybody for now.