Because when you play, it also consumes the electricity he rushes in, cancelling out the electricity you charge.
It means that the speed of your charging has not kept up with the speed of your consumption, so you feel that it is not charging fast, but relatively slow. Indicates that you are playing the game in the mobile phone, its power to exceed his input power, resulting in serious power consumption of its mobile phone. You can choose those programs that consume less power to apply for use, and then your problem will be significantly improved.
Because playing games charging will reduce the charging power to avoid burning the motherboard. So charging will be slow
If you charge while playing the game, it will affect his revenue power
Because playing a little bit uses electricity.