This time the Carnival of the Mobilists – the line-up of the best blogs and bloggers on all things mobile – comes to us via Holly Kolman. Holly a first-time host, who – true to her blog title – is a real mobile enthusiast brings us COM #221. Kudos for an excellent job and I hope Holly will host another COM soon (!)

The line-up of blogs includes:

• A look at the recent announcement that Japan’s four leading mobile phone makers are teaming up with NTT DoCoMo to develop the operating system for DoCoMo’s next-generation mobile phones (via Ajit JaokarOpen Gardens)
• The real reason why Apple iPhone sales didn’t dip (via Tomi AhonenCommunities Dominate Brands)
• Refreshing realism on the iPhone and app opportunities (via Carl MartinMobsessed)
• A welcome reminder to designers – and everyone in mobile – that not everyone will have or wants to have a smartphone (via new COM member Belen Barro Pena
• The potential headaches associated with supporting smartphones & the opportunity for operators to wring more value from helping their customs use them in the first place (two post via new COM contributors Amdocs)
• An in-depth look at opportunities in gaming and gambling (via James CoopsMobiAffiliates)
• More need-to-know mobile stats (via Andy FavellmobiThinking – an excellent curator of key mobile advertising facts & figures)
• Mobile meets compassion in a new coalition to support non-profits with mobility solutions and know-how they create with social entrepreneurs (via MSearchGroove)