Table 3 Devices used and technical challenges
| Device | Technical challenges |
|---|---|
| Smart Watch |
- Energy consumption and screen size [55] - No technical challenges described [32] |
| Smart Glass |
- Image quality [29, 44] - Screen size [45] - Network connectivity [27, 30] - Speech recognition [27, 44] - No technical challenges described [28, 32, 37, 47, 49] |
| Tablet |
- Response times, scanning, internet connection, stability of application [34] - Application has to be dependable [36] - No technical challenges described [40] |
| Helmet Mounted Display | - Problems with a bulky helmet, problems with the marker, and parallax vision [42] |
| Head Mounted Display |
- Marker problems [41] - Mild headache, mild dizziness, and mild eye fatigue [43] |
| AR Headset | - Connectivity issues, lack of experience with system, and battery life [31] |
| Smart Phone |
- Response time, incompatibility, scanning, internet connection, stability of application [34] - No technical challenges described [35, 46] |
| Not specified | - Immersion sickness, over-reliance on technology, lack of attention to surroundings [48] |