AiCard is a free Android app developed by Secile that provides a comprehensive collection of AIKATSU cards. The app allows you to mark the cards you already own, edit notes on them, and even play mini-games using the cards.

One of the standout features of the app is the "Snap Shot" mode, which allows you to take photos with your favorite AIKATSU characters. You can also customize your own AIKATSU character by changing their Tops, Pants, and Shoes in the "Dress-Up Card" mode. Additionally, the "Find Card" mode provides hints to help you find specific cards and the app also includes classic games like Memory and Slot Machine.

Overall, AiCard is a must-have app for any AIKATSU fan. If you come across any incorrect English translations, you can easily report them to the developer.