This is log from another app with kivy==1.11.1 python==3.7.5
see this i had build this app couple of month ago .it is starting faster.
8 13:57:11.179 25776 25797 I python : Android kivy bootstrap done. __name__ is __main__
06-18 13:57:11.179 25776 25797 I python : AND: Ran string
06-18 13:57:11.179 25776 25797 I python : Run user program, change dir and execute entrypoint
06-18 13:57:11.675 25776 25797 I python : [INFO ] [Logger ] Record log in /data/user/0/.kivy/logs/kivy_21-06-18_1.txt
06-18 13:57:11.676 25776 25797 I python : [INFO ] [Kivy ] v1.11.1
06-18 13:57:11.676 25776 25797 I python : [INFO ] [Kivy ] Installed at "/data/user/0//files/app/_python_bundle/site-packages/kivy/__init__.p
yc"
06-18 13:57:11.677 25776 25797 I python : [INFO ] [Python ] v3.7.5 (default, Oct 22 2020, 21:16:19)
06-18 13:57:11.677 25776 25797 I python : [Clang 8.0.2 (
https://android.googlesource.com/toolchain/clang 40173bab62ec7462
06-18 13:57:11.677 25776 25797 I python : [INFO ] [Python ] Interpreter at "android_python"
06-18 13:57:13.724 25776 25797 I python : [INFO ] [Factory ] 184 symbols loaded
06-18 13:57:14.819 25776 25797 I python : [INFO ] [Image ] Providers: img_tex, img_dds, img_sdl2, img_gif (img_pil, img_ffpyplayer ignored)
06-18 13:57:14.986 25776 25797 I python : [INFO ] [Audio ] Providers: audio_sdl2 (audio_ffpyplayer ignored)
06-18 13:57:15.216 25776 25797 I python : [INFO ] [Window ] Provider: sdl2
06-18 13:57:15.289 25776 25797 I python : [INFO ] [GL ] Using the "OpenGL ES 2" graphics system
06-18 13:57:15.296 25776 25797 I python : [INFO ] [GL ] Backend used <sdl2>
06-18 13:57:15.298 25776 25797 I python : [INFO ] [GL ] OpenGL version <b'OpenGL ES 3.2 V269.0 (GIT368094a, I26dffed9a4) (Date:12/03/17)'>
06-18 13:57:15.299 25776 25797 I python : [INFO ] [GL ] OpenGL vendor <b'Qualcomm'>
06-18 13:57:15.300 25776 25797 I python : [INFO ] [GL ] OpenGL renderer <b'Adreno (TM) 505'>
06-18 13:57:15.301 25776 25797 I python : [INFO ] [GL ] OpenGL parsed version: 3, 2
06-18 13:57:15.303 25776 25797 I python : [INFO ] [GL ] Texture max size <16384>
06-18 13:57:15.304 25776 25797 I python : [INFO ] [GL ] Texture max units <16>
06-18 13:57:15.381 25776 25797 I python : [INFO ] [Window ] auto add sdl2 input provider
06-18 13:57:15.388 25776 25797 I python : [INFO ] [Window ] virtual keyboard not allowed, single mode, not docked
06-18 13:57:15.425 25776 25797 I python : [INFO ] [Text ] Provider: sdl2
06-18 13:57:15.981 25776 25797 I python : [WARNING] Deprecated property "<AliasProperty name=filename>" of object "<kivy.core.audio.audio_sdl2.SoundSDL2 object at 0x78
5dcced70>" was accessed, it will be removed in a future version
06-18 13:57:15.982 25776 25797 I python : [WARNING] [AudioSDL2 ] Unable to load bu.wav: b'Mix_LoadWAV_RW with NULL src'
06-18 13:57:15.983 25776 25797 I python : [WARNING] [Base ] Unknown <android> provider
06-18 13:57:15.984 25776 25797 I python : [INFO ] [Base ] Start application main loop
06-18 13:57:16.030 25776 25797 I python : [INFO ] [GL ] NPOT texture support is available