One of the drawbacks of AliPay is the lack of a complete English version. Even though it offers you the choice to change, the sub-menus are not fully available in English.
Money Services: ‘Scan’ is to be used on qrcodes, ‘Pay’ is mostly for paying at shops, and ‘Collect’ is used when receiving money.
Taobao: You can also use your Alipay account to login to Taobao. You can either scan the qrcode to enter www.taobao.com or use your login/password on the Taobao app.
Aliyun: You can enter the Aliyun ecosystem using your Alipay account (qrcode or credentials).
Utilities: In Alipay go to More -> Utilities -> then choose the utility you want to pay:
Please note that the whole city may not covered by all these services and electricity will work only if you have updated your electric meter to the next generation of 智能表, water, gas, and others will work only with compatible suppliers.
And the first-time process may not be that smooth, because you will have to choose between water, heating, gas companies, so it is better to do it with your landlord when you check in into your apartment. But in the future Alipay does save your preferences for the next time.
Buses: go to City Service, 公交电子客票, accept conditions but you will need to find a Chinese ID card to enjoy the service.
Subway for that one you may want to have a look at WeChat and copy paste: 天津轨道交通微服务 and follow that account to purchase your subway ticket. It is a very smooth, 3 click process.
Transport card: Now everyone can apply for a nationwide buses and subway card with alipay. You can apply in major subway station, just seek the green machine near the normal token dispenser.
Zhima Credit:these credits are given to you for good usage of the service, their main use for now are: zhima credit contest with friends! get a mobile charging device without paying deposit, and basically other non-deposit services. But their use may impact your life deeper in a near future. Note they are not the China Social Credit System, but may be used by it in the future.