it will be great if the existing activities popup has the same functionalities of the iOS native one. Actually you can only share image, string and url, but on iOS the activity popup allows you to open every type of file.
For example .vcard files are not recognized while on iOS are directly opened in contact.
Tom Piercy commented
I would like to be able to share zip files. The alternatives for getting files off a device either require a webserver, the user to sign into a cloud service or mail to be correctly configured.
For us specifically, making the example Rob Miracle posted actually work is what we need: