Not if you're using outlook with certain configurations that require disabling sideloading. Also they're really torquing down on the API and making it harder an

Not if you're using outlook with certain configurations that require disabling sideloading. Also they're really torquing down on the API and making it harder and harder to build useful apps outside the play store. I'm not an android developer but my understanding is that notifications are starting to look much more like iOS for example.