Play and earn was the way of earning stardollars back in the days.
First you only got 1 stardollar by day, playing games, but some time later Stardoll came up with a new play & earn with tasks and more stardollars to earn.
When you had completed all the tasks you would receive 5 stardollars and, till a certain time, a token.
This way of earning money was replaced with the arraival of starcoins and the earn starcoins sistem.
Tasks[]
The task on play and earn inclued vote for covergirl, rate an album, rate photos (wich was possible at that time), vote for best design and rate outfits ( catwalk contest).