Android

Androids gain a +2 racial bonus on Perception checks.

Androids have problems processing emotions properly, and thus take a -4 penalty on Sense Motive checks.

Androids have darkvision and so can see perfectly in the dark to a range of 60 feet and in addition, they possess low-light vision.

For the purposes of effects targeting creatures by type (such as a ranger's favored enemy and bane weapons), androids count as both humanoids and constructs. Androids gain a +4 racial bonus on all saving throws against mind-affecting effects, paralysis, poison, and stun effects, are not subject to fatigue or exhaustion, and are immune to disease and sleep effects. Androids can never gain morale bonuses, and are immune to fear effects and all emotion-based effects.

An android's body is infused with nanites. Once per day as an immediate action, an android can cause her nanites to surge, granting a bonus equal to 3 + the android's character level on any one d20 roll; this ability must be activated before the roll is made. When an android uses this power, her circuitry-tattoos glow with light equivalent to that of a torch in illumination for 1 round.

Some androids cannot prompt their nanites to aid them in any endeavor, but instead find that their nanites stitch their wounds together. The first time each day that such an android has taken an amount of damage greater than or equal to twice her Hit Dice, the nanites automatically activate, without an action. Her circuitry-tattoos glow with light equivalent to that of a torch for 1 round and she heals a number of hit points equal to twice her Hit Dice. This racial trait replaces nanite surge.