Zalo primarily focuses on messaging, allowing users to send texts, voice messages, and media files. Additionally, it supports group chats and various stickers for enhanced communication, providing a fun and interactive user experience.

To create a group chat in Zalo, first go to the chat screen and select 'New Chat' or the plus icon. Next, choose 'Create Group' and then select your contacts. Finally, give the group a name and tap 'Create' to finish.

Yes, you can customize your profile on Zalo. To do this, go to 'Settings,' select 'Profile,' and tap 'Edit.' You can then change your display name, profile picture, and any additional information.

To send a voice message, open a chat window and look for the microphone icon. Press and hold the icon to record your message. When you're done, release the icon to send the voice note immediately.

To manage notifications, open Zalo and go to 'Settings.' From there, select 'Notifications.' You can customize settings for message alerts, group notifications, and other app alerts by toggling options according to your preferences.