diff --git a/.gitignore b/.gitignore
index 17aba61..732cd13 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@
 var/*
 dist/
 *egg-info*
+config/droid_config.json
diff --git a/config/droid_config.json b/config/droid_config.json
index ab8e255..1f0f74a 100644
--- a/config/droid_config.json
+++ b/config/droid_config.json
@@ -1,6 +1,6 @@
 {
 	"thrift_host": "0.0.0.0",
-	"thrift_port": "9090",
+	"thrift_port": "9091",
     "droids": [
         {
             "port": "5554",
@@ -17,6 +17,38 @@
             "ws_port": "6081",
             "clip": "580x1000+100+90",
             "dim": "768x1280x24"
+        },
+        {
+            "port": "5558",
+            "avd": "nexus4-android7-3",
+            "display": "3",
+            "ws_port": "6082",
+            "clip": "580x1000+100+90",
+            "dim": "768x1280x24"
+        },
+        {
+            "port": "5560",
+            "avd": "nexus4-android7-4",
+            "display": "4",
+            "ws_port": "6083",
+            "clip": "580x1000+100+90",
+            "dim": "768x1280x24"
+        },
+        {
+            "port": "5562",
+            "avd": "nexus4-android7-5",
+            "display": "5",
+            "ws_port": "6084",
+            "clip": "580x1000+100+90",
+            "dim": "768x1280x24"
+        },
+        {
+            "port": "5564",
+            "avd": "nexus4-android7-6",
+            "display": "6",
+            "ws_port": "6085",
+            "clip": "580x1000+100+90",
+            "dim": "768x1280x24"
         }
     ]
 }
diff --git a/hedroid/master/thrift_server.py b/hedroid/master/thrift_server.py
index 26a959e..4cd1916 100644
--- a/hedroid/master/thrift_server.py
+++ b/hedroid/master/thrift_server.py
@@ -1,11 +1,11 @@
 import atexit
 
 from hedroid.logger import logger
-from hedroid.constants import ErrorCode
 from hedroid.master.settings import THRIFT_HOST, THRIFT_PORT
 from hedroid.master.zk_master import MasterZkClient
 
-from hedroid.master.tgen.droid_keeper.ttypes import ConnParams, ApplicationException
+from hedroid.master.tgen.droid_keeper.ttypes import ConnParams
+from hedroid.master.tgen.droid_keeper.ttypes import ApplicationException
 from hedroid.master.tgen.droid_keeper.ttypes import ErrCode
 from hedroid.master.tgen.droid_keeper import DroidKeeper
 
diff --git a/hedroid/worker/vnc.py b/hedroid/worker/vnc.py
index 4fa7414..44b9904 100644
--- a/hedroid/worker/vnc.py
+++ b/hedroid/worker/vnc.py
@@ -35,7 +35,7 @@ def portfile_wait(self):
     def _start(self):
         cmd = ["x11vnc", "-forever", "-rfbport", str(self.rfb_port),
                "-display", ":{}".format(self.display),
-               "-noxdamage", "-xkb", "-noscr",
+               # "-noxdamage", "-xkb", "-noscr",
                "-noxfixes", "-nowf", "-ncache", "10",
                "-clip", self.clip, "-flag", self._portfile_p,
                "-passwd", self.password]