BoomChat is an Android application developed by A-I Group that uses Telegram's API to provide users with access to all Telegram contacts, channels, and the community. The app offers a variety of features, including voice-to-text typing, automatic translation of text into different languages, and customizable text tabs for categorization. It also has a download manager, voice changer, and a follow-up feature for contacts.

BoomChat includes different themes, including night mode, and a hidden mode for specific channels or conversations. The app is small in size, with high performance and minimum battery usage. It also has scheduled and delayed messaging and a data usage monitor for Wi-Fi and mobile data.

Other features of BoomChat include a profile maker, smart automatic proxy change, ghost and night mode settings, showing the current account in each dialogue box, a new tab for scheduled messages, and switching between grid or list menu. The app also allows users to adjust the sticker sizes, check all devices connected to their account, and customize the popup menu content for messages.

Overall, BoomChat is a useful and feature-packed app for Android users who want to have access to all Telegram features in one place.