Black Magic 1 is an Android application developed by MGTM that falls under the category of Education and Reference, specifically in Books. The app contains powerful rituals, spells, and curses that are collected, adapted, and shaped by the author, Brittany Nightshade, over the course of her journey on the path of witchcraft.

The app is designed for those who seek revenge, power, understanding, love, or justice. It contains rituals for voodoo, candle magic, crystal magic, rune magic, and object magic, among others. Additionally, the app has a section on Futhark letters and their meaning, which can be used for meditation, study, and crafting your own rituals. However, it is important to note that the app contains rituals that are prohibited by some cults of magic, such as the Gardnerian Wicca, because it does not follow the "do no harm" rule.

Overall, Black Magic 1 is an app that can be used by beginners or advanced practitioners looking for inspiration; however, it is important to approach it with caution and knowledge.