Wikitude SDK view accept location-updates once set-up properly.
Please call architectView.setLocation(latitude, longitude, altitudeMeters, accuracyMeters) in onPostResume() of your Activity (use 3 arguments in case you don't have any altitude information. Use value >0 for faked accuracy).
You may even create a Thread or AsyncTask in case you want to periodically inject fake location (e.g. add some random lat/lon values to a fixed center point every x seconds).
Kind regards, Andreas