Ergonomic aspects
To design a product that is comfortable to use, some general guidelines should be followed. They are not complicated and in most cases, they are very obvious and familiar; they can be easily formulated by your own gaming experience. You may recall any solutions you liked from other projects (and not necessarily game products). Additionally, some reverse thinking is required; situations when you felt uncomfortable using a mobile application should be noticed to try avoiding them in your own project. Good ergonomics is pretty transparent and natural for its users. It is pretty inconspicuous and hard to remember actual details about problems rather than overall pleasant experiences. That is why it would be efficient to learn from bad examples by trying to solve ergonomic problems.
Simple rules
Even if you planned a complex gameplay with a lot of shades, always try to start with simple rules. The first levels are the training ones. People usually dislike tutorials, because such...
