Service app for RK3066 car HeadUnit family. Android 4.2 and 4.4

Features:
- Call via bluetooth from Android apps request. Best usage with True Contacts app!
- Media buttons remap from CAN/Key inputs to andorid (all custom players support)
- Direct control of media players - Media button emulation, PCradio app direct control (root required)
- Auto start music app on boot or on Phone headunit key
- Tune volume on speed (steps: 60, 100, 120 km/h)
- Background volume change (no stock or system UI)
- Safe volume level set on start/stop headunit
- Supprot of both old and new Headunit versions
- Call History widget included
- Media keys correctly sorted and handled on headunit boot-up

IF CALL DO NOT WORK: Change BT Api version in settings.

App is full open-source: https://github.com/petrows/RK3066-Headunit-service

Supports head units on Rockchip RK30SDK platform: RK3066 (Android 4.2.2 and 4.4.X)
- Klyde (KLD)
- Roadmaster (RM)
- Hui Fei (KGL)
- Microntek
- SMARTY
- TWIN
- Many other brands on RK3066 chipset

Beta testing
Now app uses open beta testing model. To become tester and subscribe to the newewst updates visit https://play.google.com/apps/testing/com.petrows.mtcservice

Fixed bug with annoying volume change popup