I've been searching around google for some games to install. There are a lot of bogus sites, and the emulators i have downloaded crash constantly. Would anyone suggest me some free games websites and proven working emulators for i730 wm5.

Have you tried softpedia.com ?

I used to use PocketGBA on my i730 (now use in on my i760) - works great and its free (except the sound stutters so I turn it off).

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