people $98 plan

The details of China mobile service plan can be seen as follows:

http://www.hk.chinamobile.com/p_tariff_plan_int_tc.jsp

1) I cannot find any HKD 98 plan.

2) SMS is not free of charge. Each SMS in the network is HKD 0.2 and that for other service mobile is HKD 0.5 / each. You can apply a HKD 8 plan for unlimited SMS inside China mobile network.

Hope I can help you.