ROS2 Visualizer connects your Android device to your ROS2 robot over rosbridge WebSocket, giving you real-time monitoring and control from your phone or tablet.

Features:
• Browse and subscribe to ROS2 topics in real time
• View live camera image streams
• LiDAR point cloud visualization with interactive radar display
• Joystick control with Twist message publishing
• Occupancy grid map viewer
• Real-time message logging with level filtering
• Configurable connection settings and domain ID
• Material Design 3 interface

Supported ROS2 message types:
• sensor_msgs/Image and CompressedImage
• sensor_msgs/LaserScan and PointCloud2
• geometry_msgs/Twist
• nav_msgs/OccupancyGrid
• nav_msgs/Odometry
• rosout for log monitoring

Perfect for robotics researchers, hobbyists, and developers who need a portable way to monitor and interact with their ROS2 systems. Simply point the app at your rosbridge WebSocket server and start visualizing.

Requires a ROS2 system running rosbridge_server on your local network.