Pineapple - Icon Pack is a free personalization app developed by Shahid Shaikh for Android devices. This app follows Google's Material Guidelines and consists of 1144 high-resolution icons that are both creative and consistent. The app also supports Android N and features a simple and attractive launcher, cloud-based wallpaper support, icon request support, dynamic calendar support, and Muzei wallpaper support.

To use Pineapple - Icon Pack, you will need one of the custom launchers listed in the Apply Section, including Action Launcher, ADW Launcher, Apex Launcher, and Nova Launcher. Once the app is installed, simply go to your launcher's settings and change the icon pack to "Pineapple". However, please note that Google Launcher does not support Icon Packs.

Overall, Pineapple - Icon Pack is an excellent choice for those who want to customize their Android device's icons while maintaining consistency and creativity. The app also has a Google+ community where users can track progress and leave ratings and reviews.