Starting from Strategy Mobile 10.1 for iOS, current location in Map Widget could be turned on or off at document level in Widget properties>Map elements visibility options as shown below:

If Current Location (Mobile Only) is checked, current location arrow icon displays in map widget in mobile device as below:

If Current Location (Mobile Only) is unchecked, current location arrow icon cannot display in map widget in mobile device as below:

Note:
1. Location Services is off for Strategy Mobile app by default. Follow KB43454 and KB44056 to turn on Location Services.
2. Current location arrow cannot show up in map widget in Strategy Mobile 10.1 which connects to Strategy Mobile Server/ Intelligence Server 10 or lower. Upgrade Strategy Mobile Server/ Intelligence Server to 10.1 to take advantage of this new feature.