The glue is not gel, it's just that there are some thicker points in the tube that if you're lucky, by pressing on them, they will come out.
It doesn't dry immediately, it stays wet for a long time.
It doesn't stick paper properly.
You will waste your time for nothing, it's just a log of the kiosk with a heavy name to give you the illusion that it will do the job.

Very effective although I always prefer a combination with some mechanical support. After sticking, put a little glue in the gap and sprinkle with baking soda for extra strength.

Very strong glue! I glued it on marble and it has held up! Be careful with your hands, if it falls it is difficult to clean.