Unfortunately, we could not meet Jan, but he left the key to his friend Tom, who showed us the way to the apartment, the apartment itself and gave us some tips regarding where to have a dinner and what else can we see in Prague.
The apartment was very nice and comfortable and clean + in a great central location.
Only a couple of things could be improved:
1) After you take a shower the water keeps staying there for some time
2) It would be more comfortable to have some shelf in the shower cabin to put shampoo on it, not to the floor. + the shower tap holder would be great, otherwise you had to hold it with you hand and with another hand wash you head,..well, it was a bit tricky, but not critical)
3) I didn't tell Jan before that I'm coming by car (if I would probably there whould be a free parking spot). His friend Tom showed us a parking place but it was pretty expensive,...

In general we were very much pleased with Jan, Tom and the apartment. I would recommnd it to my friends for sure!)