btw now that i have caught up with all of the developments with these folks i guess i can offer some answers on where things stand:
can a solderless solution be done? Yes. somebody would need to complile an update data payload with the right signature (which relies on some basic commands and to be honest this is easy to do just maybe a bit tedious. I am sure somebody will compile this, its just trivial at this point.
can you put games on it and play them right now with ease? yes with some soldering and a uart adapter as the current payload script that yifan lu released it allows you to login as root on the console. (cygwin and certain files are needed to be compiled to create this payload)
Can any uart adapter be used at this time to do the shenanigans some youtube folks are doing? no. you will need one that supports a baud rate of 921600 which is pretty high and not all uart to usb adapters works. however you can use something like this:
https://www.amazon.com/MakerSpot-FT230XS-Serial-Adapter-Dongle/dp/B01J9G3OAS/ref=sr_1_1
oh also two points need to be soldered under the motherboard to enable the serial console.
also at this time basic linux command lines knowledge is needed once you have gotten full terminal access.
hope that clarifies where things stand for the newbies.