Interview with Infinite Dreams, the authors of the recent super iOS hit Jelly Defense. In the App Store, the game quickly found itself on the 1st place in the Strategy and Kids subcategories in almost all countries, despite the fact that Jelly Defense is available only in English. Marek Wyszynki, one of the founders of the company, told us about his achievements, views on development, promotion and monetization.

We have already written about Android 4.0 Ice Cream Sandwich and its innovations for users. Today we want to talk about what’s new in this OS for developers. Alexander Oplesnin, a leading Android developer at Nevosoft, shared his thoughts on this matter.

China has become the second largest market for Apple; Europe is catching up with the United States in terms of downloads; the “Games” category is the most competitive in app stores.

Vasily Popov and Roman Sidorov from SilentAppsTeam told the portal about how they launched their applications in the App Store, what actions they took and what came of it (the material of the information resource “Habrahabr” was used). The story is told in the first person.

As in most countries, games are leading in terms of the number of applications and downloads in our country. But they are not as popular as, for example, in the UK.

We offer the second part of an exclusive interview with Ville HEIJARI, Vice President of Rovio Ent. Read the beginning here.

Here are some figures on the mobile application market, announced at the Casual Connect conference held in Kiev last week.

Ville HEIJARI, vice president of Rovio Ent., the company that created the super-hit Angry Birds, told us about what is important for a good game, how long it took them to develop and how the company plans to develop further.

According to the mobile advertising network InMobi, which conducted a study of the mobile market in the third quarter of 2011, the iPhone 4 remains the most common device in Europe with a share of 7.2%. This is followed by Samsung GT-i9000 (4.9%) and HTC Desire S (3.1%).

Here are the five most common mistakes that developers make at the application launch stage.

Andy Rubin, the head of Google’s mobile business, said that six million Android-based tablets have already been sold. Thus, the first step was taken in the market, where the iPad dominates so far.

The smartphone market is projected by ABI Research to grow by 56% in Asia this year. The leading role in this will be played by inexpensive smartphones based on Android, whose market share will grow from 16% in 2010 to 52% in 2011.

According to AT&T, for the first time, the number of smartphones used exceeds the number of conventional mobile phones. Of 68.6 million subscribers*, 52.6% are smartphone owners, while a year ago their number was 39.1%.

Over the past few days, two leading companies – Apple and Google – have introduced their new mobile operating systems. RIM is also trying to keep up with them, which this Tuesday introduced BlackBerry BBX, a new generation platform for smartphones and tablets.

Apple’s quarterly financial report says China brought in $4.5 billion, showing “amazing” progress. Tim Cook said that China is becoming the second most profitable country. “China’s progress is amazing,” he said, noting that the region opens up huge opportunities for the company.

Today, the presentation of the new Galaxy Nexus phone from Samsung, and with it the new Android 4.0 operating system, the so–called Ice Cream Sandwich, took place.

Sanoma conducted a study on the use of the iPad. 3,673 iPad users in six countries were surveyed. Although many common details have been revealed, there are also serious differences. For example, Russians are very actively using iPads, in some families their number reaches up to four pieces. In Finland, iPads are used more on the road.

Xyologic has published an application market study for August 2011. It includes: the number of downloads of applications by country, market growth indicators, ratings by country, the number of paid applications in relation to free and the turnover of the application market.

The net profit of the Canadian company RIM (Research in Motion), a manufacturer of smartphones based on BlackBerry and the PlayBook tablet, in the second quarter of the fiscal year was less than 58.7%, falling from $797 million last year to $329 million. According to RIM’s press release, the company’s revenue decreased by 10% and amounted to $ 4.2 billion.