You shouldn't have started a new topic

It's not a bug
Don't blame iGO

First of all, you are using skin. Pongo. We don't know which edition (specify precisely), whether there are any extras (next to the meteo theme), etc
Second, software that uses split screen is not iGO's natural environment (usually the UI/launcher has to be adapted to it and only for certain variants)
It is easily possible, and it is enough that at least one ux is not compatible with such an environment

First delete/disable lane
fullscreen=1
then deal with the rest of the sys related to the display, the resolution is too high. Fix it
So if it doesn't help then try clean edition

If that doesn't work either, feel free to write to the device manufacturer to add iGO support to their launcher