I will expand with Newcifer. If you are in a hatchery or are about to click an egg, make sure before you do that you save the game....I sadly was too excited about clicking my first egg and instead now and starting all over after refreshing. The game dynamics are smooth and conversation short and sweet. All around a good game that is reminding why I hid pokemon a long time ago.
My last tip would be to learn what the weakness tree is and learn it fast, this game is very unforgiving when it comes to effective attacks on your minion.