Android app storing settings in a binary format. I don't know the name of this format but this is what I deduced and worked for me

shared_preferences.preferences_pb.py

#Android app was storing settings in a binary format.  I don't know the name of this format but this is what I deduced and worked for my usecase

prefs={}
with open("shared_preferences.preferences_pb","rb") as x:
	while True:
		if len(x.read(1))<1: break#0A
		l=x.read(1)[0]
		if l & 0x80: l=(l&0x7F)|(x.read(1)[0]<<7)
		t=x.read(l)
		if len(t)<1: break
		p=2+t[1]
		n=t[2:p].decode()
		p+=1 #12
		while t[p] & 0x80: p+=1
		p+=1
		b=None
		match t[p]:
			case 0x05:#UInt32
				b=struct.unpack('I',t[p+1:p+5])[0]
				p+=4
			case 0x08:#Bool
				b=t[p+1]!=0
			case 0x15:#Float32
				b=struct.unpack('f',t[p+1:p+5])[0]
				p+=4
			case 0x18:#Byte
				b=t[p+1]
			case 0x20:#Packed Integer
				p+=1
				lc=1
				b=t[p]&0x7F
				while t[p] & 0x80:
					p+=1
					b|=(t[p]&0x7F)<<(lc*7)
					lc+=1
			case 0x2A:#String
				p+=1
				lc=1
				l=t[p]&0x7F
				while t[p] & 0x80:
					p+=1
					l|=(t[p]&0x7F)<<(lc*7)
					lc+=1
				p+=1
				b=t[p:p+l].decode()
			#case _: print(f"Unknown {hex(t[p])}")
		#print(f"{n}={b}")
		prefs.update({n:b})
 
print(f"{prefs=}")