내손안의 영어회화사전-센딕SENDIC is an Android application developed by SENDIC.NET. This free app is categorized under Education & Reference and offers a comprehensive English sentence search service. It provides a database of 75,392 English sentences with Korean translations. The app offers a unique search function that allows users to search for sentences by using only the essential keywords instead of the entire sentence. For example, if the user wants to search for "school," they can search for "school?" to find variations of the word such as "schools," "schooling," and "schoolhouse." SENDIC also offers a feature that allows users to search for sentences by using the first letter of each word. The app offers various other features such as a study game, the ability to save searched sentences in folders, and the option to view search results in both English and Korean.