Quick heads up for the folders here, the folder "modified" has the files with the modifed .dat, the on that ends with CB
is the jackspots, the one that ends fith F7 are the races, you can choose or modify it as you like, it uses big endian array

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The folder "base" is pretty self explanatory, i take the base GAMEPLAY.bndl and extract it, simple as that, btw i use the
GAMEPLAY.bndl from the HAWAII_Word_Integration, basically beta ps3 dlc, why you may ask, well, the thing is, when 
i use Noesis to extract the GAMEPLAY.bndl from the retail game files (the one released on ps store) it just comes out in
PC bndl format, it uses iirc it uses little indian, whic is wrong cuz the ps3 version actually uses big endian, so when i 
pack it again and test it, it didnt work, infinite loading, cuz it uses little endian, now, the GAMEPLAY.bndl i unpack from
the beta dlc files, actually cones out the right format, big endian, so i work with it, it worked just as expected, since the
files are very identical, even the beta has airport init, so yeah, it is what it is

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Now for the BNDL part, the "GAMEPLAY.BNDL" there is the one that has modded jackspots and races, so you can go
ahead and create the pkg straight away, the one that says "GAMEPLAY(only jackspots).BNDL" is well, jackspots only..
the ordinary "GAMEPLAY.BNDL" has the jackspots and races, you can choose whichever you want, maybe for modpack

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Oh almost forgot, if you want to use noesis but only the one that had jackspots, use the folder "jackspots only" cuz it
only has the base and the jackspots from the modified folder, btw you can edit the dats your own with hxd, as i said
the one that ends with CB is the jackspots, you can get the big endian car ids from hrjohn's website, you can copy 
which one you would like to replace, use the Find tool, click on Hex, select All directions, and paste the endian that you
want to replace, once you got it, grab an id from the web again, can be the mp only vehicles, cop cars etc, and paste it.

i suggest you doing this more than once, cuz the jackspots would only appear one on the easydrive, just to get more 
places for your cars, i know, but, whatever, do what you want, this also applies to the races (ends with F7), grab the id,
search, replace, again, i suggest you try to do this more than once or the race will only appear one, it can be hard, 
medium, or easy, for getting burn nitrous, i suggest use from the ids of weaker cars, like srt8 mp id replaces the zl1,
will unlock you the sprint eastwards sprint race, it was titled easy i afaik, so you can get burn nitrous :), remember tho
use these only if you want to modify it, if you dont know any of these, i wont recommend

(My bad sorry for the crappy ass readme, i cant do it really proffesionally xd)