Sumvision Cyclone Voyager 7" rooted Android 4.2.2 by Kasty firmware installed on Pipo S1 tablet ~ Download custom rom android

Here is the easiest to do this firmware update:
1. Download rooted Android 4.2.2 by Kasty firmware from: link1 or link2.
2. Put your Pipo S1 in 'firmware update mode'.
3. Run Rockchip Batch Tool v1.7, select the proper image .img file from your desktop, and after your device is found by the program, press the 'Restore' button and wait for 2-3 minutes to finish. The first boot is very long, wait about 5-7 minutes.

Custom firmware features:

root with latest SuperSU version 1.51 (free version)
removed most Chinese and unnecessary applications
Google Play Store fixes so more application are visible/compatible
updated busybox v1.21.0.git (2012-11-29)
Unix like init.d boot scripts support
changed permissions on external sdcard to allow write access
increased space for applications (/data partition) to 2 GB
11.500 points in Antutu Benchmark
HDMI output not working.

Credits for this firmware go to Kasty.
Recommended by Cristian Czinege

[Update2]
Install HDMI fix from here.
Install Patch v1.0 from here.

1. To install the CWM 6.0.2.7 please follow the update steps from this post. Then download CWM 6.0.3.1 from here or from here and copy it as it is on a micro SD card, install Quick Boot free from Play store, reboot into recovery, then choose 'install zip from sd card' and apply the new CWM zip file from your card. Enjoy CWM 6.0.3.1 on your tablet!

Enjoy this firmware release, share is love!

Always keep in mind that this is not a review, just a first sight of this firmware. You have to test it more for another details, to see if it satisfies your needs.