ZeroHart WhatsApp Sticker Coll is a free Android application developed by WoozLabs that allows users to download and use a personal collection of WhatsApp stickers (WAStickers). The app offers a wide range of stickers from popular anime and manga series such as Shin-Chan, Umaru Chan, Dragon Ball, Dr. Slump, and more. Additionally, the app includes stickers from popular games like Chocobo (Final Fantasy), Keroro Gunsou, King of Fighters KOF, Ranma, Saint Seiya, Captain Tsubasa, Yu-Gi-Oh, and many others.

The app is easy to use and offers a simple interface that allows users to browse and download stickers. Users can also share the stickers with their friends and family directly on WhatsApp. The second collection of stickers is also available for download within the app. However, it is important to note that the app does not offer any customization options for creating personal stickers.