Last Friday, May 17, Google talked about the work of the Google Play search engine, as well as how developers can improve the visibility of their programs with its help.

On Friday, May 17, a few days ahead of the announced deadline, the acceptance of pre-orders for the NVIDIA Shield portable Android console began.

Speaking at the Google I/O 2013 conference, Google Play product manager Ibrahim Elbuchikhi gave a lot of interesting figures and facts regarding the monetization of mobile applications in the official Android store.

The British casual monster King announced that in early summer a mobile version of Pet Rescue Saga, the third part of the “royal saga”, will appear on iOS and Android. 

Expert project Hi-Tech.Mail.Ru and IDC conducted a study of the Russian smartphone market in the first quarter of 2013.  According to its results, the share of Android-based devices in shipments for the year increased from 39.7% to 70.9%.

Google has published in the official developer blog some details about the Google Play Game Services service, and also talked about the launch line of games. 

According to analysts from Gartner, global sales of smartphones to end users in the first quarter of 2013 reached 210 million units, which is 34.8% higher than in the same period last year (147 million) and 44% higher than in the fourth quarter of 2012.

The Electronic Arts company announced yesterday that the Frostbite Go mobile engine is in development.

Yesterday, on May 13, Amazon officially “put into circulation” the virtual currency Amazon Coins, announced back in February.

In April, King company “captured” Facebook and mobile markets with the help of its latest hit Candy Crush Saga. At the same time, Zynga and Disney were losing their active users, according to VentureBeat with reference to Cowen and Co.

The other day, GungHo published its financial report for April. According to him, the company earned $113 million on Puzzle & Dragons in one month. After the publication of the report, the company’s value jumped to $15 billion.

There are very few days left before the Google I/O conference, at which the search giant is likely to make several high-profile announcements at once, so there is nothing surprising in the appearance of rumors about various new services. One of them will definitely be Google Play Games. 

BlueStacks, which announced two weeks ago that the number of users of its eponymous service has reached 10 million, announced an Android-based gaming console called Gamepop and a subscription gaming service going to it. 

Zynga has announced the release of its own endless runner Running With Friends for iOS. This is the company’s seventh product released under the With Friends brand. About the chips of the project and its first results on the market, read our material.

Apple is going to tighten the “infamous” article 2.25 of the rules for using the Apple App Store. Thus, the struggle of the giant from Cupertino with recommendation services has entered a new phase.

Last March, the number of downloads decreased, according to Fiksu. However, the price of a loyal user after the February fall, on the contrary, increased. 

Not a day goes by without news from Amazon. The Israeli company PlayScape yesterday, on the sixth of May, announced a partnership with the American platform. As part of the collaboration, she is going to publish a number of her projects on the Amazon Appstore.

Zynga has announced that it will be the publisher of the Solstice Arena mobile MOBA game from the former A Bit Lucky. 

Without undue fuss, at the end of last week, Amazon opened its app store in China, where both free and paid applications are available to users.