48 Best Jarvis Alternatives Apps for Android Devices. Джарвис - это ассистент для голосов. New technologies are quickly mastered by the private user. tion to custom gence of technologies service history - audience. er loyalty for such as applications to the Cloud. first product, Android plat form, built on a Linux sys Source: . Dropbox allows to store files and folders (with the option of making available them. Your Android phone can store a lot of data and your private data as well. The most Android by default comes with the ability to hide folders.