github/android — pull request #426 by XhmikosR (2013-10-15 16:08:28+00:00)
Title: Losslessly compress png files.

Savings aprox. -110KB.

Compression made with pngout /r and various blocksizes, optipng, deflopt and zopfli, all losslessly.

Note that I haven't tested this on my phone.