They say that the difference between medicine and poison is in the dose.
Several studies have found that video games markedly improve visuospatial ability and may increase scores on measures of working memory. In addition, experts worldwide have managed to design and implement video games that can help therapies in children with emotional regulation problems.
The positive effects of video games are related to basic cognitive processes such as perception, attention, memory and decision making. Especially when it comes to action games which is when games require players to move fast, track many items at the same time, keep a significant amount of information on their mind instantly and make decisions in a fraction of a second.
Studies indicate that video games improve tasks especially in jobs that require hand-eye coordination, attention, excellent working memory and quick decision-making, but of course, always with well-established supervision and limits.