The video show is here:

http://www.bilibili.com/

video/av16551593/

The Bullfrog v1.1 upgade by this:
https://www.simpleplanes.com/a/Qg596G/V-U-RA3-Bullfrog-v1-0

The upgade focuses like so:
1.Increase the range of AA guns to about 6.5 miles with XML.
2.Set the default angle of AA gun elevation angle of 30 degrees, although at the expense of the ground level shooting capability, but given the AA gun faster response to the air.
3.Adjust the missile launch angle to improve the missile hit rate.
4.Deploy the Gyroscope to keep the stable in high speed.

Operation:

Trim - Turret left or right in manual
VTOL - Turret up or down in manual
Pitch - Turret up or down and auto reset
Roll - Turret left or right faster and auto reset
Yaw - tanks steering wheel left or right
Landing Gear - Parking brake(Only work on land)
Act1-3 No2-4 Countermeasure Disapear ready
Act4 - Reverse gear(Both work on land and water)
Act5 - Tanks Lamps(Flight)
Act6 - Gyroscope
Act7 - Jet thruster (Main used on water,with Act7 can revese faster or on water)
Act8 - Forward gears(Only work on land)

Thank you for your download.