How to simulate a very slow android phone?

Question

I've a Moto X with Android 4.4.4 and I also use Genymotion Emulators to develop apps. My question is -- how can i simulate my app performance/behavior for very slow/old phones and also phones with less memory.

Answer 1

To simulate less memory, simply use less memory. Below is a demonstration for how to do this using GenyMotion. Click settings (the wrench icon) next to the virtual device to go to configuration then lower the Base Memory.

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Afterward, you should be able to simulate the performance of your app on a slower device. If you need to raise or lower your memory usage move the Base Memory value up or down by 1024.

This can also be done directly in the VirtualBox Settings with slightly more configuration options.