The author of mod is Vlad Chatillion from Teamblitz. An interesting effect joystick with glowing lava inside and a transparent net around the lava. Modification downside is that it is incompatible with 1920×1080 screen resolution.
Unzip the archive, gfx and gfx2 folders on the way: android / data / net.wargaming.wot.blitz / files / Data
Joystic lava burn (100 KB)