接客英会話 is a free Android application developed by Flipout LLC. It is an excellent resource for those who want to learn English phrases related to customer service. The app contains 1205 phrases, and each one is accompanied by an English audio recording. The phrases cover a variety of industries, including hospitality, food and beverage, sales, tourism, and transportation.

In addition to the standard phrases, the app also includes antonyms and more polite expressions, making it a comprehensive guide to English phrases for customer service. The app also features a "Phrase Listening" function, which allows users to listen to all the English audio recordings in sequence. The "Speaking/Pronunciation Practice" function is another useful feature, which allows users to practice their speaking and pronunciation skills and receive automatic feedback.

Overall, 接客英会話 is a user-friendly, comprehensive, and free app that can help users improve their English language skills related to customer service.