Summary of significant accounting policies (Tables)

9 Months Ended

Jun. 30, 2025

Accounting Policies [Abstract]

As of June 30, 2025, the detail of the Company’s subsidiary is as follows:

As of June 30, 2025, the detail of the Company’s subsidiary is as follows:

	Place of incorporation	Ownership percentage
Transit Pro Tech. Limited (the “TPTL”)	Hong Kong	100%
Shenzhen Guantu Technology Co., Limited (the “SGTCL”)	People’s Republic of China	100%

Schedule of Accrued Royalty Revenue

	For the three months ended June 30,				For the nine months ended June 30,
	2025		2024		2025		2024
	US$		US$		US$		US$
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Fixed fee license revenue		70,500		—		211,500		—
Royalty revenue		—		—		34,796		—
Total revenue from related party		70,500		—		246,296		—

Schedule of Timing of Revenue Recognition

	For the three months ended June 30,				For the nine months ended June 30,
	2025		2024		2025		2024
	US$		US$		US$		US$
	(Unaudited)		(Unaudited)		(Unaudited)		(Unaudited)
Timing of Revenue Recognition
At a point in time		—		—		34,796		—
Over time		70,500		—		211,500		—
		70,500		—		246,296		—

Movement of the allowance for credit losses for deposit and other receivables is as follows:

Movement of the allowance for credit losses for deposit and other receivables is as follows:

	As of June 30, 2025		As of September 30, 2024
	US$		US$
	(Unaudited)
Balance at beginning of the year		116		—
Current year addition		—		116
Balance at end of the year		116		116

Movement of the allowance for credit losses for amount due from shareholders and a related party is as follows:

Movement of the allowance for credit losses for amount due from shareholders and a related party is as follows:

	As of June 30, 2025			As of September 30, 2024
	US$			US$
Balance at beginning of the year		295			—
Current year addition		(295	)		295
Balance at end of the year		—			295