Use APKPure App
Get Symbols Of Interest old version APK for Android
Choose what you want to be for the machine.
This app is related to CBS TV show Person Of Interest, using this app you can set the symbols of the machine on your pictures.
If you have watched POI, I don't think I need to explain.
Any way this show is highly recommended.
Note: This app is not in any way officially associated to that show.
