I like it already It reminds me my first project for Android: Trace_On

Thanks !!  , it helped, but I didn't enabled transparency in this object.

Thanks for advices. I will try to change... something I had similar behavior when I have added "full" attenuation calculations - on Galaxy S2 it was ok but on the other two devices it has no effect, it looks like a distance from light to vertex was always 0. I think the value was so small so it was truncated to 0 or it was overflow and it was treated as 0 also - so for now I have to remove linear and quadratic attenuation, and left only spot exponent with constant attenuation - I know it make no sense.
Anyway I will try to experiment, but I was trying to set light intensity in range from 0.0 to 1.0 and pass value from Light.getIntensity() as another uniform and it worked.

Looks like it was quite diffrent problem. I solved it with workaround. I wanted to created programmatically a rectangle and make it appear in diffrent places. To make it short - some of the rectangles have changed order of indexes from CCW to CW, I don't know how but it works 

I am trying to create stationary spot light, but so far I am stuck - shaders aren't my best side. I have created desired effect but only on objects which don't have any transformation. What I am doing wrong? I was trying diffrent combinations for transformed objects but in all cases the light was "moving" when I changed camera position. For simplicity I have removed attenuation (it is set to 1.0).

VP:
void main(void)
{
vec4 normal4 = vec4(normal, 0);
vec4 position4 = modelViewMatrix * position;
vec3 position3 = position4.xyz / position4.w;

vec4 eyeNormal4 = modelViewMatrix * normal4;
varNormal = eyeNormal4.xyz;

varLightDir[0] = normalize(lightPositions[0] - position3);
varSpotDir[0] = normalize((modelViewMatrix * vec4(lightSpotDir0,0)).xyz);
varLightDist[0] = length(lightPositions[0] - position3 );

texCoord = texture0;
gl_Position = modelViewProjectionMatrix * position;
}

FP:
void main (void)
{
vec4 finalColor;
float spotAngle;
vec3 n = normalize(varNormal);
vec3 normalLightDir;
float diff;
float att;

vec4 base = texture2D(textureUnit0, texCoord);
finalColor = base * ambientColor;
normalLightDir = normalize(varLightDir[0]);
diff = max(0.0, dot(n, normalLightDir));
if(diff > 0.0)
{
spotAngle = dot(normalize(-varSpotDir[0]), normalLightDir);
if(spotAngle > 0.75)  //spot cut off
{
spotAngle = pow(spotAngle, 12.0);
//att = spotAngle / (0.6 + 0.001 * tempDistance + 0.1 * tempDistance * tempDistance );
att= 1.0;
finalColor += (base) * diff * att ;
}
}

finalColor.a = alpha;
gl_FragColor = finalColor;
}


When I am trying to set uniform with setUniform(String, SimpleVector) I get error, but setting the same with float[] works ok. Uniform variable is vec3 type.
It's not big problem for me to use float arrays but maybe I done something wrong. I presume array version is faster than SimpleVector.

10-18 20:49:57.446: E/AndroidRuntime(11941): FATAL EXCEPTION: GLThread 8991
10-18 20:49:57.446: E/AndroidRuntime(11941): java.lang.NullPointerException
10-18 20:49:57.446: E/AndroidRuntime(11941):    at com.threed.jpct.GLSLShader.update(GLSLShader.java:561)
10-18 20:49:57.446: E/AndroidRuntime(11941):    at com.threed.jpct.GL20.updateShaderData(GL20.java:215)
10-18 20:49:57.446: E/AndroidRuntime(11941):    at com.threed.jpct.GLRenderer.initShader(GLRenderer.java:519)
10-18 20:49:57.446: E/AndroidRuntime(11941):    at com.threed.jpct.CompiledInstance.render(CompiledInstance.java:427)
10-18 20:49:57.446: E/AndroidRuntime(11941):    at com.threed.jpct.GLRenderer.drawVertexArray(GLRenderer.java:2211)
10-18 20:49:57.446: E/AndroidRuntime(11941):    at com.threed.jpct.World.draw(World.java:1307)
10-18 20:49:57.446: E/AndroidRuntime(11941):    at com.threed.jpct.World.draw(World.java:1074)
10-18 20:49:57.446: E/AndroidRuntime(11941):    at com.zr.tile3d.MainActivity.onDrawFrame(MainActivity.java:301)
10-18 20:49:57.446: E/AndroidRuntime(11941):    at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1462)
10-18 20:49:57.446: E/AndroidRuntime(11941):    at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1216)

Hi everyone.
I want to present my another production – oldschool-type arcade platformer - in fact it is 2D game presented with 3D graphics.  It does not contain advanced fx, shaders etc., just simple models and some skeletal animations. The idea to write this game comes from old game for C64. I thought it would be nice to play this game again, but without joystick as controller (screen joystick usualy is not a good idea) and with 3D graphics... and here it is: "Escape From Creepy Lab".

https://play.google.com/store/apps/details?id=com.zr.creepylab

I don't provide you ready solution, but I am using GLWallpaperService from this page: http://www.rbgrn.net/content/354-glsurfaceview-adapted-3d-live-wallpapers and it works similar as GLSurfaceView. The only change you have to made there is when you want to use GLES2.0, but in that case changing phone orientation makes user to watch black screen for some time when framebuffer is initializing.