refactor app registration with whisplay daemon

whisplay_interface.py

@@ -1,6 +1,7 @@
 import subprocess
 import time
 import threading
+import os
 import runtime.whisplay_client
 
 
@@ -56,12 +57,14 @@ class WhisplayInterface:
 
     # -- Attachment --
 
-    def create_board(self, 
-            app_id,
-            display_name,
-            icon,
-            use_daemon_default_log=True):
-        self.board = runtime.whisplay_client.create_whisplay_hardware(app_id=app_id, display_name=display_name, icon=icon, use_daemon_default_log=use_daemon_default_log)
+    def create_board(self):
+        self.board = runtime.whisplay_client.create_whisplay_hardware(
+            app_id=os.getenv("WHISPLAY_APP_ID", "whisplay-lxst-client"),
+            display_name="LXST Client",
+            icon="L",
+            exit_gesture="quad_press",
+            use_daemon_default_log=False,
+        )
         self.board.on_button_press(self._on_button_press)
         self.board.on_button_release(self._on_button_release)