Kamusku Inggris Indonesia is an Android application that provides a comprehensive dictionary for English-Indonesian and Indonesian-English translations. The app offers offline and online translation features, text-to-speech, bookmarking, sharing, and a grammar book.

The offline translation feature allows users to access the dictionary without an internet connection, while the online feature provides real-time translation. The app also includes a bookmark menu where users can save important words, as well as a share menu to send translations to other apps. The text-to-speech feature enables users to listen to the pronunciation of English and Indonesian words. Additionally, users can change the app's theme colors to their liking.

Overall, Kamusku Inggris Indonesia is a handy app for anyone looking for a reliable and comprehensive dictionary app for English-Indonesian and Indonesian-English translations. The app is free to use and offers a range of features that make it a great tool for language learners and anyone who needs quick translations on the go.