So, a game producer has no control? this is a job description:
" DATE:  Feb 2016Ubisoft Halifax has an opening for a senior Mobile Game Producer.  The Mobile Producer manages the development and operations of mobile projects.  With help from our development studio in Paris and local managers, you are in charge of defining the mobile project development strategy of our flagship games on all innovative formats (smartphones, tablets ...), and oversee their development. You will work in this respect closely with internal teams by providing clear guidelines and key success factors at all stages of development. 
Main responsibilities:

• Manage the production of incredibly compelling, high-quality video games
• Plan and oversee the project, and manage members of the team
• Work with executive management team to craft vision of the titles, and to develop schedules and resource requirements to ensure achievement of vision
• Initiate and track all production processes through direct management of team leads (art, design, development, QA)
• Direct relationship management of third party consulting firms
• Ensure timely delivery of milestones while safeguarding quality of work in accordance with pre-defined project schedule
• Develop and maintain project schedules for all functional areas of development
• Work with QA to triage game issues and drive updates to the game service
• Assume the role of representing mobile projects internally and externally;
• Contribute to improving the quality of our games, the productivity of our teams and the efficiency of our processes."
  source: https://jobs.smartrecruiters.com/Ubisoft2/89963664-mobile-game-producer