diff --git a/README.md b/README.md
index 483a247..cc60135 100644
--- a/README.md
+++ b/README.md
@@ -66,12 +66,11 @@ This library currently is full developed in Kotlin with C++, no additional depen
 - [x] Face detection
 - [x] Pupil detection
 - [x] Landmarks detection
+- [x] Pure Java Pidroid (to delete avoid Kotlin dependency)
 - [ ] Publish Library as Github Package
-- [ ] Pure Java Pidroid (to delete avoid Kotlin dependency)
 - [ ] Rotated faces detection
 - [ ] Neon support
 - [ ] SSE support
-- [ ] Tegra support
 
 
 ## Usage
diff --git a/imagesample/src/main/java/com/suaro/imagesample/CanvasView.kt b/imagesample/src/main/java/com/suaro/imagesample/CanvasView.kt
index ec3d4cf..397a749 100644
--- a/imagesample/src/main/java/com/suaro/imagesample/CanvasView.kt
+++ b/imagesample/src/main/java/com/suaro/imagesample/CanvasView.kt
@@ -36,7 +36,11 @@ class CanvasView @JvmOverloads constructor(context: Context, attrs: AttributeSet
         paint.setColor(color)
         paint.setStrokeWidth(RECT_BORDER_WIDTH);
 
-        canvas?.drawRoundRect(rect.left.toFloat(), rect.top.toFloat(), rect.right.toFloat(), rect.bottom.toFloat(), RECT_BORDER_RADIUS, RECT_BORDER_RADIUS, paint);
+        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
+            canvas?.drawRoundRect(rect.left.toFloat(), rect.top.toFloat(), rect.right.toFloat(), rect.bottom.toFloat(), RECT_BORDER_RADIUS, RECT_BORDER_RADIUS, paint)
+        } else {
+            canvas?.drawRect(rect, paint)
+        }
     }
 
     fun drawCircle(circle: Circle, canvas: Canvas?, color: Int = Color.GREEN) {;
diff --git a/pidroid/src/main/java/com/suaro/pidroid/core/PidroidConfig.java b/pidroid/src/main/java/com/suaro/pidroid/core/PidroidConfig.java
index 4ce29a7..6aec845 100644
--- a/pidroid/src/main/java/com/suaro/pidroid/core/PidroidConfig.java
+++ b/pidroid/src/main/java/com/suaro/pidroid/core/PidroidConfig.java
@@ -6,7 +6,7 @@ public final class PidroidConfig {
     private float scalefactor = 1.1F;
     private float stridefactorWidth = 0.2F;
     private float stridefactorHeight = 0.12F;
-    private float qthreshold = 1.0F;
+    private float qthreshold = 3.0F;
     private int perturbs = 10;
     private boolean clustering = true;
     private boolean pupilDetectionEnable = true;
@@ -69,7 +69,7 @@ public void setPerturbs(int perturbs) {
         this.perturbs = perturbs;
     }
 
-    public boolean isClustering() {
+    public boolean getClustering() {
         return clustering;
     }
 
@@ -77,7 +77,7 @@ public void setClustering(boolean clustering) {
         this.clustering = clustering;
     }
 
-    public boolean isPupilDetectionEnable() {
+    public boolean getPupilDetectionEnable() {
         return pupilDetectionEnable;
     }
 
@@ -85,7 +85,7 @@ public void setPupilDetectionEnable(boolean pupilDetectionEnable) {
         this.pupilDetectionEnable = pupilDetectionEnable;
     }
 
-    public boolean isLandmarkDetectionEnable() {
+    public boolean getLandmarkDetectionEnable() {
         return landmarkDetectionEnable;
     }
 
@@ -93,7 +93,7 @@ public void setLandmarkDetectionEnable(boolean landmarkDetectionEnable) {
         this.landmarkDetectionEnable = landmarkDetectionEnable;
     }
 
-    public boolean isProminentFaceOnly() {
+    public boolean getProminentFaceOnly() {
         return prominentFaceOnly;
     }
 
diff --git a/realtimesample/src/main/java/com/suaro/realtimesample/MainActivity.kt b/realtimesample/src/main/java/com/suaro/realtimesample/MainActivity.kt
index 2c156ae..154b814 100644
--- a/realtimesample/src/main/java/com/suaro/realtimesample/MainActivity.kt
+++ b/realtimesample/src/main/java/com/suaro/realtimesample/MainActivity.kt
@@ -39,7 +39,8 @@ class MainActivity : AppCompatActivity(), Camera.View, Capturer.View{
 
     private fun setupNative() {
         val pidroidConfig = PidroidConfig()
-        pidroidConfig.isProminentFaceOnly = true
+        pidroidConfig.prominentFaceOnly = true
+        pidroidConfig.qthreshold = 1.5f
         Pidroid.setup(this, pidroidConfig)
     }