The organizers of the DevGAMM conferences have published on YouTube all the lectures from the last Minsk event. There were 46 performances in total. 
The full list can be found at this link, and just below you will find those videos that directly relate to mobile development.
Nevosoft: Game design under the microscope: 10 cases for improving free-to-play game metrics
Microsoft: Mobile games for Windows – integration with system capabilities
Nekki: Shadow Fight 2: Development History
Viaden: Cross-platform casino on Flash+AIR
Mail.ru : Evolution: Graphics and Mechanics
Wargaming.net : How we shoved tanks into the tablet
VK: Mobile gaming platform and mobile advertising VKontakte
Renatus is a publisher of mobile and social games in casual and midcore genres with headquarters in California and 10 development studios in the CIS countries. The company was founded in 2012. He is the organizer of DevGAMM.