No, of course not. If you are using shaders, you are completely on your own. You still get the lighting information though (there are some predefined uniforms for this, just look at the GLSL specs), but to actually apply them, you have to code your own lighting formula in the shader. The Robombs sources should contain a phong shader variant for one light. You might also have a look at the default shaders from jPCT-AE (inside the jar), which support up to eight gouraud shaded lights. But you can't use them directly, because GLSL for mobile devices differs from the one for standard OpenGL. The biggest difference is, that the predefined uniforms are not present on mobile.