Last week’s App Smart column surveyed apps that help users flirt their way to romantic attachment. But mobile phones are no less helpful to those who want to add some intensity to their Valentine’s Day connections. Helpful Romantic ($1 on Apple and Android) suggests dates, gifts and activities based on your description of your partner’s personality. You can sort suggestions according to effort level and price. If that process sounds like too much work, consider a virtual greeting card. Two good apps to consider on Apple are Cartolina ($2) and Red Stamp (free, with an extended catalog available for in-app purchase). For Android, JustWink (free) and Doodlr (free) have earned good reviews. For physically amorous Valentines, iKamasutra Sex Positions, available for Android and Apple ($3) may be a worthy choice. It features (nongraphic) illustrations and an imaginative filtering feature for the more than 100 entries in its database. A free version Read More