Add application launch category.

                <category android:name="android.intent.category.DEFAULT" />

                <category android:name="android.intent.category.LAUNCHER" />

                <category android:name="android.intent.category.BROWSABLE" />

                <category android:name="android.intent.category.APP_CONTACTS" />

            </intent-filter>

            <intent-filter>

                <action android:name="com.android.contacts.action.LIST_DEFAULT" />