Pocket K-Meleon is an old version of K-Meleon, almost no compress version of Pocket work better than the compressed version.
Please read this tutorial to make your portable version of K-Meleon
As updated to this tutorial you can update Gecko and avoid modify xpcom files with a hexadecimal editor with this unofficial update.
Unofficial K-Meleon Updater
And this to fix SVG support in this update to Gecko 126.96.36.199
K-Meleon in Spanish