US record label Block Entertainment has launched a mobile trading card promotion for its artist Yung Joc. Fans can collect, trade, and redeem Yung Joc wallpaper for their mobile, and win $1,000 (500), or a call from Joc himself.
US consumers can sign up for Yung Joc trading cards at cards.yungjoc.com or by texting JOC to 87233, to get three cards for $1 a week. There are 42 cards to collect in all. Each card is unique, with its own print number. Card distribution is random and some cards are rarer than others. Cards can be traded with friends via text message.
Top collectors can win some great prizes. First prize is $1,000 in cash. There are 10 runners-up prizes of a phone call from Joc. And 50 random Instant Win prizes of a signed Yung Joc poster.
More information here. 
