Calm your son's anger by helping him to self-soothe and collaboratively solving his problem together.
There is no scientific consensus on whether video games are helpful or harmful. The only way to find out is to try a screen fast.
Boys brains are different, therefore approaches to help boys need to be tailored to their unique strengths and weaknesses.
Support you son's emotions by attending to his non-verbal cues, helping him label his emotions, validating his emotions, and offering support.
You can help boys become men by creating rites of passage that will provide them with a safe path to maturity.
To get your son to do what you want first focus on connecting with him, and then give him consequences rather than verbal instructions when he misbehaves.
Get your son to open up by doing activities together, standing side by side, asking about his interests, and validating his emotions.