Added template sensors for currently running app on each TV

sensors/entertainment.yaml

@@ -22,4 +22,30 @@
     - 76561198006931886
     - 76561199249380296
     - 76561198078898192
-    - 76561199079356881
+    - 76561199079356881
+- platform: template
+  sensors:
+    basement_tv_current_app:
+      friendly_name: 'Basement TV Current App'
+      value_template: >-
+        {% if is_state('media_player.basement_tv','off') %}
+          Off
+        {% else %}
+          {{ state_attr('media_player.basement_tv','app_name') }}
+        {% endif %}
+    living_room_tv_current_app:
+      friendly_name: 'Living Room TV Current App'
+      value_template: >-
+        {% if is_state('media_player.living_room_tv','off') %}
+          Off
+        {% else %}
+          {{ state_attr('media_player.living_room_tv','app_name') }}
+        {% endif %}
+    master_bedroom_tv_current_app:
+      friendly_name: 'Master Bedroom TV Current App'
+      value_template: >-
+        {% if is_state('media_player.master_bedroom_firetv','off') %}
+          Off
+        {% else %}
+          {{ state_attr('media_player.master_bedroom_firetv','app_name') }}
+        {% endif %}