I liked products from a company called Guidosimplex. There weren't any local dealers but a local company specializing in customizing vehicles for the disabled contacted the USA distributor and did whatever training necessary to become an authorized dealer. That was very nice of them and if you like their products you might be able to have the same done wherever you are.

When I took driving training, which is required by the state to get hand controls here, the training site had their own vehicle but it seemed like the controls were really cheap plastic.

I got the F1 Evo installed in my car. I like it because it's for my right hand and is kind of like a stick shift.

Yes, other drivers just use the brake and gas pedals as usual.

In my state I had to get training by a state authorized location which was in the department of a hospital. They gave me some tests and I only recall one which involved hand, eye and brain coordination.

I also had to be with a driving instructor for a few hours. I think I felt fairly confident within a couple of hours. It took longer for reflexes to adjust so that if I needed to brake quickly I wouldn't unthinkingly go for the brake pedal instead of pushing the hand control forward. But that was also a matter of only a few weeks to change.