Wecome to the Arcade!
The site is under construction right now but check out the ringtone section if you'd like to retro up your phone.
Software Library: MS-DOS Games!
I havn't tested out too many of these yet (Crosscountry Canada is awesome) but the ones I have tried worked great. What are you doing on your lunch break today?
From the site:
Software for MS-DOS machines that represent entertainment and games. The collection includes action, strategy, adventure and other unique genres of game and entertainment software. Through the use of the EM-DOSBOX in-browser emulator, these programs are bootable and playable. Please be aware this browser-based emulation is still in beta