In the indi_skywatcherAltAzMount driver the guiding code is disabled, the comment says: " TODO: Hide the auto-guide support now because it is not production-ready" which I don't understand since the whole driver is "not production-ready".
Yopu can enable it for yourself, by removing the comment sign from this two lines:

    // Guiding support
    // TODO: Hide the auto-guide support now because it is not production-ready
    //    initGuiderProperties(getDeviceName(), GUIDE_TAB);

    //    setDriverInterface(getDriverInterface() | GUIDER_INTERFACE);

It is at the end of SkywatcherAPIMount::initProperties() function, around line 460.
I have only tried EKOS internal guiding, not PHD2 yet.

In my experience there are some parts of the sky that this driver somehow does not like, and the scope mark is just jumps away. Other parts of the sky works. I do not understand.
The indi_skywatcherAltAzSimple driver is a fork from the indi_skywatcherAltAzMount driver, removing most of the complicated parts of the code, completely replacing the tracking code. I don't know why and when it happened. I'm new to INDI.
Unfortunately the way it does tracking is completely unsuitable for photos, since as you say, too wobbly. It is maybe working for wide field photos with DSLR only, but not with big scope.
Maybe sometime I will try to take the best part of both driver and make a 3rd one from them. But it is not the good direction, since we have too many drivers, not too few. So now I concentrate on fixing the existing one.

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