iBall Slide i701 Tablet Need some clarification regarding Windows tablet, can I get some help?

[API_Rock]

iBall Slide i701 Tablet Need some clarification regarding windows tablet

I think iBall Slide i701 is the cheapest tablet in world (windows) even cheaper than Lumia 430.

http://www.amazon.in/gp/product/B00XVGQ0WM/ref=s9_simh_gw_p147_d1_i1?pf_rd_m=A1VBAL9TL5WCBF&pf_rd_s=desktop-1&pf_rd_r=1QHP7BJT33XWDP2N4NQG&pf_rd_t=36701&pf_rd_p=577130167&pf_rd_i=desktop

Only USD 77$

But i have some questions before i proceed to buy it for my child

1. As it is 16gb tablet but in actual we get only 4gb free space & i have read in reviews that once we update windows & other apps we are left with only 400mb space & we cant install other apps. So is it possible to install software's (.exe) on 64GB memory card which this tablet support ?

I am not talking about APPS, I am talking about .exe files like photoshop, ERP, educational softwares etc.

2. As it is having only 1 USB port so it is possible to attach a USB hub so that we can attach pen drives, KB, Mouse, HDD, 3g Dongel & power adapter at once ?

If anyone of you have used any windows 8/8.1 tablet then please reply.