I created an app for all Camera Phones. However when I upload the app to playstore the HTC One is listed as an unsupported device. So HTC One users are unable to install the app.
Here some more unsupported device: Sony Xperia Z, HTC One and Samsung Galaxy S4.
Some lines of my manifest:
<uses-sdk
    android:minSdkVersion="8"
    android:targetSdkVersion="17" />
<compatible-screens>
    <!-- all small size screens -->
    <screen
        android:screenDensity="ldpi"
        android:screenSize="small" />
    <screen
        android:screenDensity="mdpi"
        android:screenSize="small" />
    <screen
        android:screenDensity="hdpi"
        android:screenSize="small" />
    <screen
        android:screenDensity="xhdpi"
        android:screenSize="small" />
    <!-- all normal size screens -->
    <screen
        android:screenDensity="ldpi"
        android:screenSize="normal" />
    <screen
        android:screenDensity="mdpi"
        android:screenSize="normal" />
    <screen
        android:screenDensity="hdpi"
        android:screenSize="normal" />
    <screen
        android:screenDensity="xhdpi"
        android:screenSize="normal" />
</compatible-screens>
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.FLASHLIGHT" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature
    android:name="android.hardware.camera.autofocus"
    android:required="false" />
<uses-feature
    android:name="android.hardware.camera.flash"
    android:required="false" />