Interesting URLs in SmileBasic

I decided to run strings on smilebasic's code.bin, and I found some interesting URLs and headers: https://save.smilebasic.com/save2.php?A=%s&B=%s&C=%d&D=%u&E=US __'X-Petc-ErrorCode X-Petc-Rights X-Petc-ECErrorCode X-Petc-PubKey X-Petc-UID X-Petc-FileCount X-Petc-MaxCount X-Petc-FileSize X-Petc-MaxSize https://save.smilebasic.com/shoplist.php?A=%s&B=%s&C=%s&D=0 X-Petc-ErrorCode X-Petc-UID X-Petc-ItemCount X-Petc-MaxLicenseTerm X-Petc-GoldLicense X-Petc-ECLimit%d X-Petc-ECRefID%d X-Petc-ECItemID%d X-Petc-ECCaption%d X-Petc-ECDesc%d X-Petc-ECPrice%d X-Petc-ECTax%d https://load.smilebasic.com/load.php?A=%s&C=%s https://load.smilebasic.com/load.php?B=%s&C=%s X-Petc-ErrorCode https://save.smilebasic.com/save2.php?A=%s&B=P%s&C=%d&D=%d&E=US X-Petc-ErrorCode X-Petc-Rights X-Petc-ECErrorCode X-Petc-PubKey X-Petc-UID X-Petc-FileCount X-Petc-MaxCount X-Petc-FileSize X-Petc-MaxSize https://save.smilebasic.com/show.php?A=%s&B=%s&C=%d X-Petc-ErrorCode https://load.smilebasic.com/load.php?A=%s&C=%s https://load.smilebasic.com/load.php?B=%s&C=%s X-Petc-ErrorCode Content-Length 749a832a https://save.smilebasic.com/prepurchase.php?A=%s&B=%s&C=%s&D=0 X-Petc-ErrorCode X-Petc-ECPriceID X-Petc-ECPriceFmt X-Petc-ECPriceRaw X-Petc-ECCurBalanceFmt X-Petc-ECCurBalanceRaw X-Petc-ECPostBalanceFmt X-Petc-ECPostBalanceRaw X-Petc-ECTotalFmt X-Petc-ECTotalRaw X-Petc-ECTaxFmt X-Petc-ECTaxRaw ParentalControlUGCErrorMsg ParentalControlShopErrorMsg https://save.smilebasic.com/list.php?A=%s X-Petc-ErrorCode X-Petc-FileCount https://save.smilebasic.com/delete.php?A=%s&B=%s X-Petc-ErrorCode https://load.smilebasic.com/info.php?A=%s&C=%s https://load.smilebasic.com/info.php?B=%s&C=%s X-Petc-ErrorCode X-Petc-ErrorCode This appears to be URLs for gold: https://npdl.cdn.nintendowifi.net/p01/nsa/WNcE0vrvCCO74nPV/ptc3nwe/info001 https://save.smilebasic.com/purchase.php?A=%s&B=%s&C=%lld&D=%s&E=%s&F=%s&G=%s&H=0