Add catsceen script

catscreen.sh

@@ -0,0 +1,3 @@
+#!/system/bin/sh
+
+touch /mnt/catscreen

wephone.rc

@@ -1,2 +1,5 @@
 on boot 
         exec - root -- /system/bin/wephone.sh
+
+on debug.tracing.battery_stats.screen=1
+        exec - root -- /system/bin/catscreen.sh