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According to a new report from analytics firm Distimo, the average selling price for iPhone games has declined by 28% over the last year. However, the revenue generated by the most successful freemium games has increased by a factor of 10. The increase is due to the popularity of in-app purchases, which are now used in 35% of the 300 most popular games in the iPhone App Store.

Analtyics firm Zokem recently released data related to smartphone usage trends, based on its panel of global studies involving consumer behavior. The goal was to identify mobile consumer trends as related to smartphone enagement.

The company found that there is a slight peak in the afternoon on work days, related to an increase in voice calls. But for the rest of the day, engagement with different smartphone features is fairly even, including both app and Internet usage.

Horace Dediu of asymco posted this chart (below) to his Apple trend-tracking blog this week, showing that, finally, app downloads have overtaken downloads of songs on iTunes.

Mobile ad network Millennial Media is out with its report for June and the numbers look good for Android. 16 of the top 20 devices on the network run Google's mobile OS, keeping Android as the leading OS on the network for the 7th consecutive month. Android also accounts for a 54% impression share, says Millennial.

Other major findings this month include a growth in iOS impressions and connected devices (e.g. iPad, iPod Touch, Samsung Galaxy Tab, etc.).

The market for mobile application development services, which includes things like app creation, management, distribution and extension services, will grow to $100 billion by 2015, according to a new report from research2guidance. Currently, the number of applications developed by third parties is at 66%, but the analyst firm believes this will increase over the next few years as more companies want to publish for mobile, but don't have in-house resources to do so.

Last week we asked you, prompted by RedMonk analyst Michael Coté's question, whether you were were adopting or wanted to adopt a platform-as-a-service. The majority of you are either already using one or more or are planning to start.

But according to the data Coté has assembled, PaaS isn't a home run success quite yet.

According to a new report from analytics firm Distimo, the iPhone app download volume in Asian countries, led by China, has seen significant increases over the past 6 months, even as Western markets saw decreases. And China is now the second largest market in this area, after the U.S.

However, even though the numbers of downloads are increasing in this region, the proportion of paid downloads and overall revenue is lagging behind both the U.S. and Europe. That means developers wanting to expand their businesses into Asia need to have other monetization plans in mind, such as advertising.

According to a new report from network management and video optimization firm Bytemobile, mobile video now accounts for between 40% to 60% of the total mobile data traffic on operators' networks. Half of the video consumed comes from laptop computers, iPhones, iPads and Android devices, the company found.

But here's an interesting side note to that data: When broken down by device, iPhone users see more video data traffic than those on Android, or even on laptops.

According to new statistics from analytics firm Flurry, the average mobile user now spends 9% more time using mobile apps than the Internet. That's 81 minutes per day for mobile apps versus 74 minutes per day spent surfing the Web (both desktop and mobile).

But mobile apps haven't always been more popular than the Web, says Flurry. Only last year, these positions were reversed, with users spending 43 minutes on apps versus 64 minutes on the Web.

A new report from e-commerce platform maker Demandware dug into today's mobile shopping trends among consumers and found that retailers are falling short of delivering the experiences customers want. Although there's high demand for things like barcode scanning, branded applications, mobile checkout, price comparison services, mobile coupons, access to mobile product information and more, many retailers simply aren't offering these types of tools to their customers.