القاموس الذهبي is a comprehensive Arabic-English dictionary application developed by Feras3DD for the Android platform. It is a free application that does not require an internet connection to operate. With a database of over 100,000 words, this app provides a vast collection of Arabic and English words to its users.

The interface of the application is simple and user-friendly. Users can easily search for a word in either Arabic or English and get its meaning in the other language. The app also provides the option to save words as favorites for future reference. Overall, القاموس الذهبي is an excellent tool for students, professionals, and anyone who wants to improve their Arabic or English vocabulary.