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The Android framework provides plenty of

standard tools for creating attractive, functional

graphical user interfaces. However, if you want

more control of what your application draws on

screen, or are venturing into three dimensional

graphics, you need to use a different tool. The

OpenGL ES APIs provided by the Android

framework offers a set of tools for displaying

high-end, animated graphics that are limited only

by your imagination and can also benefit from the

acceleration of graphics processing units (GPUs)

provided on many Android devices.

这意味着，Android提供标准工具(帆布或意见)，但更多的控制或3D图形，你需要使用OpenGL ES。

Is 3D modeling a complete waste of time in

OpenGL ES? Am I better off with a different tool?

OpenGL ES和最近的Vulkan API是唯一可用于Android的工具，可让您更直接地使用3D图形和使用GPU。因此，OpenGL ES就是你应该使用的(或者Vulkan，如果你的设备支持它的话)。