You can turn your windows 7 & 8 laptop into wifi hotspot and make a virtual wifi router.
mHotspot is a completely free software which converts your windows 7 & 8 laptop into a virtual wifi router and creates a secure wifi hotspot. You can share single internet connection(LAN, Ethernet, Data-Card, 3G/4G, Wif) for multiple devices like laptops, smartphones, android phones, PDAs, Ipads etc. You can play Multiplayer gaming using mHotspot. No Router or External Hardware is required apart from your existing one.
Download the Software Below:
mHotspot – Virtual WiFi Router