diff --git a/modules/events/emote.py b/modules/events/emote.py
new file mode 100644
index 0000000..baa5dca
--- /dev/null
+++ b/modules/events/emote.py
@@ -0,0 +1,7 @@
+from events import Event
+
+class EmoteEvent(Event): ...
+
+class EmotePositiveEvent(EmoteEvent): ...
+
+class EmoteNegativeEvent(EmoteEvent): ...
diff --git a/modules/firmware_apps/app_store.py b/modules/firmware_apps/app_store.py
index 0dd1bd3..021d9f5 100644
--- a/modules/firmware_apps/app_store.py
+++ b/modules/firmware_apps/app_store.py
@@ -15,6 +15,7 @@
 import shutil
 import machine
 from app_components import Menu, fourteen_pt, sixteen_pt, ten_pt
+from events.emote import EmoteNegativeEvent, EmotePositiveEvent
 from events.input import BUTTON_TYPES, ButtonDownEvent
 from requests import get
 from system.eventbus import eventbus
@@ -157,11 +158,13 @@ def install_app(self, app):
             self.update_state("main_menu")
             eventbus.emit(InstallNotificationEvent())
             eventbus.emit(ShowNotificationEvent("Installed the app!"))
+            eventbus.emit(EmotePositiveEvent())
         except MemoryError:
             self.update_state("install_oom")
         except Exception as e:
             print(e)
             eventbus.emit(ShowNotificationEvent("Couldn't install app"))
+            eventbus.emit(EmoteNegativeEvent())
             self.update_state("main_menu")
 
     def update_state(self, state):
@@ -305,6 +308,7 @@ def compare_version(v1, v2):
         else:
             self.update_state("main_menu")
             eventbus.emit(ShowNotificationEvent("All apps up to date!"))
+            eventbus.emit(EmotePositiveEvent())
 
     def prepare_installed_menu(self):
         def on_cancel():
diff --git a/modules/firmware_apps/sponsors.py b/modules/firmware_apps/sponsors.py
index b167574..b82e620 100644
--- a/modules/firmware_apps/sponsors.py
+++ b/modules/firmware_apps/sponsors.py
@@ -1,6 +1,8 @@
 from app import App
 from app_components import Menu
 from app_components.background import Background as bg
+from events.emote import EmotePositiveEvent
+from system.eventbus import eventbus
 
 main_menu_items = [
     "AND Digital",
@@ -22,6 +24,7 @@ def __init__(self):
             back_handler=self.back_handler,
         )
         self.notification = None
+        eventbus.emit(EmotePositiveEvent())
 
     def back_handler(self):
         self.minimise()
diff --git a/modules/main.py b/modules/main.py
index 0f77f04..f8b17dc 100644
--- a/modules/main.py
+++ b/modules/main.py
@@ -5,6 +5,7 @@
 from system.scheduler import scheduler
 from system.hexpansion.app import HexpansionManagerApp
 from system.patterndisplay.app import PatternDisplay
+from system.emotebackleds.app import EmoteBackLEDs
 from system.notification.app import NotificationService
 from system.launcher.app import Launcher
 from system.power.handler import PowerEventHandler
@@ -22,6 +23,10 @@
 # Start led pattern displayer app
 scheduler.start_app(PatternDisplay())
 
+# Start back-leds emoter
+
+scheduler.start_app(EmoteBackLEDs())
+
 # Start root app
 scheduler.start_app(Launcher(), foreground=True)
 
diff --git a/modules/system/emotebackleds/app.py b/modules/system/emotebackleds/app.py
new file mode 100644
index 0000000..eac2017
--- /dev/null
+++ b/modules/system/emotebackleds/app.py
@@ -0,0 +1,39 @@
+# BUGS: overrides what hexpansion driver has set to and
+# doesn't restore them.
+
+import asyncio
+import time
+from tildagonos import tildagonos
+
+from machine import PWM
+
+from app import App
+from app_components import clear_background
+from events.input import BUTTON_TYPES, ButtonDownEvent
+from system.hexpansion.config import HexpansionConfig
+from system.eventbus import eventbus
+
+from events.emote import EmotePositiveEvent, EmoteNegativeEvent
+
+class EmoteBackLEDs(App):
+  def __init__(self):
+    eventbus.on_async(EmotePositiveEvent, self._positive_event, self)
+    eventbus.on_async(EmoteNegativeEvent, self._negative_event, self)
+
+  async def _positive_event(self, event):
+    for lednum in range(13,19):
+      tildagonos.leds[lednum] = (0,255,0)
+    tildagonos.leds.write()
+    await asyncio.sleep(0.5)
+    for lednum in range(13,19):
+      tildagonos.leds[lednum] = (0,0,0)
+    tildagonos.leds.write()
+ 
+  async def _negative_event(self, event):
+    for lednum in range(13,19):
+      tildagonos.leds[lednum] = (255,0,0)
+    tildagonos.leds.write()
+    await asyncio.sleep(0.5)
+    for lednum in range(13,19):
+      tildagonos.leds[lednum] = (0,0,0)
+    tildagonos.leds.write()