> ## Documentation Index
> Fetch the complete documentation index at: https://imsdkdocs.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Demo Applications

> Ready-to-run C++ App Builder demo applications

The table below lists the C++ App Builder demo applications built on top of the [C++ App Builder](/app-builder/cpp-app-builder) SDK.

| # | Application                                                                   | Source Code                                                                                                                          | Description                                                                                                                                                                                                   |
| - | ----------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 1 | [Product Counting Application](/blogs/product-counting-application)           | [demo\_product\_counting/main.cc](https://github.com/qualcomm/qimsdk/blob/main/cpp/examples/demo-apps/demo_product_counting/main.cc) | A YOLOv8-based object detection pipeline that counts products crossing a center region of interest in real time.                                                                                              |
| 2 | [Smart Board Application](/blogs/smart-board-application)                     | [demo\_smartboard/main.cc](https://github.com/qualcomm/qimsdk/blob/main/cpp/examples/demo-apps/demo_smartboard/main.cc)              | A touchless virtual whiteboard controlled entirely by hand gestures, supporting freehand drawing, shape recognition, erasing, and dragging content via a two-stage palm detection and hand landmark pipeline. |
| 3 | [Touchless Wrist Steering Car Game](/blogs/touchless-wrist-steering-car-game) | [demo\_car\_game/main.cc](https://github.com/qualcomm/qimsdk/blob/main/cpp/examples/demo-apps/demo_car_game/main.cc)                 | A two-stage palm detection and hand landmark pipeline turns wrist movement into a virtual steering wheel for a real-time, touchless split-screen driving game.                                                |