Four more companies have signed up as Silver sponsors at Mobile Marketing Live, our two-day conference, exhibition and networking event, taking place at the Business Design Centre in London on 1-2 October 2012.

Mobile advertising firm Appsnack provides in-app, rich-media brand engagement campaigns for advertisers, publishers and application developers. Appsnacks Sandy Shanman will be speaking on Day 1 of the conference about the three Rs of mobile advertising – thats relevance, ROI, and rich media.

App advertising platform Tapjoy rewards users for engaging with its in-app advertisements with virtual currency, with an ad network covering more than 20,000 apps.

Easy2 provides a DIY mCommerce content creation platform, including mobile versions of product demos. Easy2 vice president of sales & business development George Koenig will be speaking in the Mobile Experience Lab on Day 2.

Mobile and interactive services provider Spoke Interactive is a consumer engagement specialist. Spokes digital business director Graham Halling will be presenting in the Mobile Experience Lab on Day 2 on using digital watermarks as part of your mobile strategy.

They join fellow Silver Sponsors Mojiva, Adfonic, Fiksu, Celtra, Messmr, Cogenta, ScanLife, JustAd and M&C Saatchi Mobile, as well a sGold Sponsors Netbiscuits, TextLocal, Prinovis, InMobi, TradeMob, Brainstorm and OpenMarket.

For more information about sponsoring the event, or exhibiting, please email shelley.dowsett@mobilemarketingmagazine.com