Samsung Impression

Hi! I bought an Impression last week. I'm usually a WinMobile person, and was hesitant to go with this phone. It's alright; a good, sturdy phone with long battery life - but I'm not finding many apps like I had on my Q. The apps I have downloaded, such as google maps, are not working. The screen shows the map, has it's truncated touch menu up, but will not let me do anything on the screen with the map. Even to close it will not work. I have to close the entire thing.
Has anyone found any apps that work well with this phone? Has anyone else had similar problems?
It would also be wonderful to find an app to enter in calendar items from the PC that would transfer into the calendar on the phone. I don't need anything as fancy as outlook - just want something easier to manage for appointments, etc. Any suggestions?

at&t