A free program for Android, by Gayatri Softwares.

Developed by Gayatri Softwares, TMS – or Token Management System – is your handy guide to a variety of mobile care instructions within a single dossier. 

In the dashboard, you can access the official manual for the care of your device. The topics may revolve around common concerns such as “General” care, “Repeat”, “Accessory”, “Out of Wty” concerns (Out of Warranty), “Delivery” of the device, and a list of “Dealers” within your area.

You can find booklets for brands such as Nokia, Lenovo, Mi, and so much more.