[Gen2] GO Evolution CP IV Calc is a free Android app developed by Pamami Inc, designed to help Pokemon GO trainers calculate the CP increase of their Pokemon after evolving, the hidden IV values, and the amount of XP they'll receive after using a lucky egg. This app also shows the weaknesses and strengths for certain types and helps to earn more prestige for the gym.

The app is very user-friendly and easy to navigate. It provides accurate calculations and is a must-have for any Pokemon GO trainer who wants to enhance their gameplay experience. With the new update, the app now supports the second generation Pokemon which makes it even more comprehensive.

The interface of the app is aesthetically pleasing and the app is well-organized. The functionality of the app is smooth and it doesn't lag or crash. The app also provides detailed information about the Pokemon, which is very useful for trainers who want to know more about their Pokemon. Overall, [Gen2] GO Evolution CP IV Calc is a great tool for Pokemon GO trainers who want to improve their gameplay and make informed decisions about their Pokemon.