Jiki Anglická slovíčka is a free Android app developed by Jiri Kinst, designed to help users learn English vocabulary effectively. This app is an English-Czech dictionary with over 80,000 words and phrases, including British and American pronunciation. Jiki Anglická slovíčka uses the forgetting curve to help users learn new words and remember them for a long time.

The app offers various features to facilitate vocabulary learning, such as the ability to create custom lessons, activate vocabulary for learning by user's choice, and even import custom vocabulary from an .csv file. Moreover, Jiki Anglická slovíčka has sound with an external application "Text-to-speech," which helps users to learn the correct pronunciation of the words.

One of the most significant features of the app is the ability to add and edit a dictionary, which allows users to add their own words and phrases. However, the app requires certain authorizations such as storage read/write to export and import data from the application and read the status of the phone to pause listening on an incoming call. Jiki Anglická slovíčka is an excellent tool for English learners and is highly recommended for anyone who wants to expand their vocabulary.