What's the best Android app for customizing my keyboard with cute and stylish fonts?

Fonts Art is a keyboard personalization app designed specifically for users seeking to enhance their typing experience with cute and decorative fonts on Android. The app centers on providing an extensive library of font styles, ranging from playful and bubbly to elegant and artistic, which can be applied to various keyboard applications like Gboard or SwiftKey. For instance, someone looking to make their WhatsApp or Instagram messages more visually appealing could use Fonts Art to quickly swap standard fonts for ones with heart dots or cartoonish letters, adding a personalized touch to everyday conversations. Key features include a straightforward font preview and installation process, regular additions of new designs to keep options fresh, and compatibility with most Android keyboards without requiring root access. However, reviews indicate a common drawback: accessing certain fonts necessitates viewing multiple advertisements, which some users find intrusive. Despite this, the app maintains a high rating due to its reliability and the quality of its font offerings. It's a solid choice for teens or adults who enjoy customizing their devices for fun, social interactions, but those sensitive to ad interruptions might need to weigh the trade-offs. The app performs well in real-world use, with fonts rendering correctly in most messaging apps, though occasional sync issues with third-party keyboards have been noted in feedback.