Yes the Motorola Droid can download apps for the Motorola app store not the apple store.
There are both free and paid apps available for android phones.
Yes android phones do have an app market for games. Most of the apps available on the apple store are available on android phones now.
Sadly, no. Android apps cannot work on java phones.
because some phones are not compliteble to some apps like firefox and also google chrome
The answer is yes, there are a few different apps out there that you can download the Garmin Gps onto your phone. The apps are available for the iPhone and Android phones as well.
No, Android Market apps are only for Android phones. For an iPod Touch, you would have to use apps from the iTunes Store.
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Android phones are a category of smart phones, so the question doesn't make sense. If you mean to ask whether android apps can be installed on non-android phones, then the answer is no (or it is not feasible to do so), but oftentimes the same app is available for various operating systems.
You go to the android market
I suggest you get a smart-phone - either the ones from Apple (for example, iPhone), or one with the Android operating system. Those can play music, serve as a phone, and you can download and install a variety of apps on them.
If I understood you correctly, downloading apps to sdcard is by default on android phones that have sdcard... Did I get you right?
The Android phones are very reliable. They are actually one of the most popular smart phones and they are constantly getting new types of apps.