Smartphone memory is used for lots of things, e.g. modem carve-outs, graphics buffers, and page cache. The fraction left over for actual code is pretty small, e

Smartphone memory is used for lots of things, e.g. modem carve-outs, graphics buffers, and page cache. The fraction left over for actual code is pretty small, especially on the smaller devices common in the developing world. Shared libraries are essential for using this memory efficiently.