The phrase (Russian for "download SMS ringtones 2017") typically refers to a specific category of legacy mobile personalization apps or websites. While "feature" can have several meanings in this context, it most likely refers to the core functionalities of such apps or a "featured" (editor's choice) collection of sounds from that year. Key Features of 2017 SMS Ringtone Apps
Custom SMS tones generally require syncing through a computer or purchasing through the iTunes Tone Store .
Once a tone was "downloaded" (skachat), it was stored locally for use without an internet connection.
The ability to set a sound as your SMS notification, alarm, or contact-specific ringtone directly from the app.
Apps from this era usually included the following utility features: