The controls in Dash Masters are easy to learn, so you can get into the action without spending much time figuring things out. The real challenge is knowing when to jump and how to react to what comes next. Some obstacles need a quick response, while others require you to pay attention to the rhythm of the level.
At first, you might get through a section without much trouble. Then you hit a tricky jump and have to try again. That is a normal part of playing Dash Masters. Each attempt gives you another chance to learn the layout and improve your timing.
You do not need to spend hours in one session, either. You can open the game, play a few rounds, and come back later when you feel like taking on a harder challenge.