KB43950: List of widgets which can display information window starting from MicroStrategy Web 9.3.1.

 
Starting from Strategy Web 9.3.1, the following visualization widgets can be configured to display an information window on the following widgets:
 

1. Bubble Grid
2. Data Cloud
3. Data Selection
4. Funnel
5. Gauge
6. Graph Matrix
7. Heat Map
8. Interactive Bubble Graph
9. MicroChart
10. Time Series Slider
11. Waterfall
12. Weighter List Viewer
13. Image Layout - Only in Flash view mode
14. Network Visualization

For Example:
 
Information window in a Graph Matrix widget would appear as the image below: