Buzz City is a mobile ad network and publishing platform based in Singapore.  They are particularly strong in the Asian markets where they have a large amount of traffic and can offer good rates.  They also have a presence in global markets including the US, Europe and the UK and can often offer attractive CPC rates to advertisers in these areas compared with the competition.

Buzzcity offers mobile advertising solutions to developers/publishers and advertisers, including cost-per-click ad campaigns with various targeting options and SDKs to integrate ads into apps and games.

• Total budget control for advertising campaigns
• Various targeting options including channel, time, context, country, carrier and device
• Mobilizer tool to convert RSS-enabled sites and blogs into mobile-ready websites
• Supports iOS, Android, Blackberry and J2ME platforms

Website: http://www.buzzcity.com/