Venerable mobile news source Fierce Mobile has just released one of its signature top 10 lists. This time the theme is “Top Mobile Applications of 2009,” including mobile apps across different platforms.

Of the 10, I count six that are local, or serve content that is relevant to a user’s location. These include apps we’ve profiled here in the past such as Geodelic’s Sherpa and Zagat to Go ’09. The results aren’t surprising to me, though I do see a few notable omissions from the list.

Most of all, the emphasis on local apps is yet another sign that the mobile device’s portability and location awareness are very conducive to local search. As such, a great deal of the innovation happening in mobile apps is not surprisingly focused on local and location-based services. Expect this trend to continue.

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Related: I’ll be at GigaOm’s Mobilize conference in San Francisco all day tomorrow looking for mobile local topics to cover.